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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 5/30/26 9:34 AM PDT
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Station Date Daily Max Temp (°F) Time of Max Temp Daily Min Temp (°F) Time of Min Temp Dew Pt (°F) RH (%) Daily Max RH (%) Daily Min RH (%) Wind Spd (mph) Daily Max Wind (mph) Time of Max Wind Max Wind Dir (°) Daily Rain (In) Season Precip (In) Daily ETo (in) Daily Solar Rad (Cal/cm2) Powdery Mildew Stress (pts)
Rockpile Upper (Cooley) 5/29/26 72.0   1.8 1551 46.4   0.8 0611 47.1   2.0 70   3 97   3 43   6 5.8   0.9 22.1   6.1 0421 NW | 318 0.00 42.48 0.172   0.005 573   12 30   10
Rockpile Lower (Cooley) 5/29/26 74.0   1.0 1539 50.4   1.8 0601 48.2   1.8 66   4 94   5 40   6 3.4   1.4 14.4   4.9 0647 WNW | 288 0.00 41.80 - - 30   10
Cloverdale-East (Ranch 83) 5/29/26 77.3   2.9 1419 52.5   0.5 0029 52.1   0.7 - - - 3.0   1.0 15.7   2.2 1501 SSW | 209 0.00 35.51 0.193   0.053 630   170 100   20
Cloverdale-SE (Ranch 38) 5/29/26 76.0   1.9 1439 51.5   0.9 0027 51.0   1.3 69   4 96   2 45   4 6.3   2.1 20.3   4.5 1511 NNE | 32 0.01 37.12 0.204   0.066 650   223 20   10
Geyserville-North (Hoffman) 5/29/26 76.6   0.3 1438 53.8   1.0 2314 53.0   2.2 71   2 93   2 48   7 3.0   0.0 14.9   0.9 1516 SSE | 159 0.00 25.50 0.183   0.023 584   76 70   20
Geyserville (Ranch 3) 5/29/26 75.6   1.1 1600 53.4   0.8 2306 52.0   1.6 69   0 96   3 45   8 3.1   0.1 12.3   2.3 1829 SE | 126 0.00 36.33 0.196   0.017 645   62 100   20
Geyserville-East (Ranch 40) 5/29/26 74.8   1.9 1436 51.0   1.0 0052 51.2   1.9 72   1 98   1 48   6 5.6   0.5 21.8   1.1 1555 SSW | 202 0.00 37.19 0.193   0.034 650   143 0   0
Geyserville-South (Nervo Station) 5/29/26 75.3   0.1 1437 52.7   1.2 2305 - - - - 3.4   0.3 14.2   2.7 1439 S | 186 0.00 27.24 - - 20   20
Peterson (Ranch 09) 5/29/26 74.2   1.0 1513 52.4   0.5 2258 50.5   1.6 67   1 91   4 44   8 3.5   0.6 14.2   1.5 1453 S | 190 0.00 34.02 0.195   0.023 654   89 30   20
Crazy Creek Ranch 5/29/26 74.2   0.2 1436 53.8   1.2 0027 53.1   2.0 73   3 91   5 52   9 2.6   0.4 17.8   3.1 1344 SSE | 151 0.00 37.50 0.177   0.001 601   10 20   20
Whitton Ranch (201e) 5/29/26 76.2   0.4 1418 52.6   0.7 2259 51.6   1.4 68   0 94   6 44   9 3.0   0.4 12.1   1.0 1447 SSE | 150 0.00 38.45 0.191   0.022 625   85 70   20
Lytton East (Shop Hill Bottom) 5/29/26 73.8   0.4 1346 52.8   1.0 2217 50.9   1.9 69   1 91   7 45   9 3.8   0.5 15.6   1.4 1429 SE | 144 0.00 39.27 0.197   0.024 659   88 20   20
Lytton East (Hill 5) 5/29/26 73.8   0.5 1503 52.4   1.0 0057 50.3   1.9 68   1 93   4 45   9 5.3   0.6 19.5   3.4 1439 S | 177 0.00 38.71 0.188   0.017 600   79 0   0
Lytton West Lower (Lew 6) 5/29/26 74.0   0.3 1528 53.0   0.9 0059 51.3   1.9 70   2 92   8 46   10 3.5   0.8 14.0   1.2 1612 S | 188 0.00 39.17 0.177   0.012 572   48 20   20
Lytton West Hill (23PS) 5/29/26 74.0   0.3 1355 53.2   1.0 0002 51.2   1.7 69   0 93   7 45   9 4.0   0.4 15.0   0.8 1523 SSW | 195 0.00 40.91 0.191   0.014 625   58 20   20
Big River 5/29/26 72.9   0.3 1503 52.6   0.7 0023 52.1   1.5 73   1 95   4 53   11 3.5   0.7 17.0   0.6 1214 SSE | 168 0.00 35.87 0.206   0.028 733   113 0   0
Jimtown-North (Piccolo Ranch 15) 5/29/26 74.8   0.2 1748 52.9   0.5 2302 50.4   1.3 66   0 87   13 44   11 1.8   0.6 13.8   0.9 1554 S | 189 0.00 35.25 0.161   0.003 543   51 20   20
HWY 128/Chalk Hill Rd (Landslide) 5/29/26 74.5   0.8 1414 53.3   0.6 2234 52.4   1.7 72   2 94   2 47   12 2.9   0.2 14.1   2.1 1553 SSW | 213 0.00 35.17 0.178   0.033 592   133 20   20
N Chalk Hill Rd (Ranch 63) 5/29/26 73.1   1.1 1502 52.4   2.4 0037 51.3   1.8 70   1 90   9 48   10 3.1   0.2 14.5   1.7 1553 S | 180 0.00 35.99 0.182   0.021 604   74 50   20
Newman Knights Valley 5/29/26 72.9   0.7 1550 52.6   0.1 2308 53.2   1.3 75   2 87   1 62   5 3.4   1.0 14.8   0.2 1612 WSW | 250 0.00 35.40 - - 0   0
Knights Valley (Bavarian Lion) 5/29/26 73.7   1.3 1509 50.2   1.4 0002 50.9   2.0 71   3 95   0 45   9 2.8   0.0 12.7   2.3 1347 W | 267 0.01 35.08 0.176   0.019 614   81 0   10
Red Tail 5/29/26 71.5   1.3 1530 52.3   0.3 0429 52.5   1.7 76   4 90   2 56   12 3.8   0.0 17.9   0.9 1610 S | 182 0.01 36.23 0.186   0.024 668   112 0   0
Franz Valley (Stornetta) 5/29/26 72.0   3.6 1548 51.1   0.9 2356 51.2   2.0 - 95   0 47   14 2.1   0.2 12.5   0.4 1352 SE | 141 0.01 35.65 - - 30   10
Upper Dry Creek Valley 5/29/26 77.8   0.5 1436 53.0   0.6 2248 52.0   1.8 70   1 93   4 40   7 3.2   0.4 13.1   1.1 1609 SSE | 148 0.00 39.64 0.189   0.026 606   99 50   10
Lower Dry Creek Valley 5/29/26 73.8   0.2 1359 53.4   0.8 0016 51.4   1.6 68   0 93   7 43   8 3.7   0.8 15.3   0.5 1905 SE | 132 0.00 38.68 0.190   0.020 617   78 20   20
Max   77.8 - 53.8 - 53.2 76 98 62 6.3 22.1 - - 0.01 42.48 0.206 733 -
Avg   - - - - 51.3 70 - - 3.6 - - - - - - - -
Min   71.5 - 46.4 - 47.1 66 87 40 1.8 12.1 - - 0.00 25.50 0.161 543 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 5/30/26 9:34 AM PDT
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Station Date Daily Max Temp (°F) Time of Max Temp Daily Min Temp (°F) Time of Min Temp Dew Pt (°F) RH (%) Daily Max RH (%) Daily Min RH (%) Wind Spd (mph) Daily Max Wind (mph) Time of Max Wind Daily Rain (In) Season Precip (In) Daily ETo (in) Daily Solar Rad (Cal/cm2) Powdery Mildew Stress (pts)
Windsor-NW (Ranch 8) 5/29/26 74.1   1.2 1543 52.4   0.0 0023 52.7   1.7 73 84   3 54   14 0.0 0.0   0.7 0101 0.00 34.62 0.187   0.040 683   158 20
Windsor-East (Ranch 16) 5/29/26 70.6   3.0 1518 52.2   0.4 0045 51.7   2.0 75 93   1 52   15 3.9 13.4   2.1 1822 0.01 27.43 0.187   0.032 668   166 0
Mark West-North (Ranch 14) 5/29/26 70.1   2.8 1459 52.5   0.1 0026 51.4   2.2 73 94   3 49   12 2.8 13.2   1.8 1342 0.00 29.47 0.027   0.002 0   0 60
Windsor-SE (Silk Rd) 5/29/26 71.6   2.8 1704 52.6   0.0 0055 52.6   2.2 76 97   1 51   15 2.7 13.0   1.5 1519 0.00 27.03 0.186   0.018 668   107 0
Fulton-NW (Ranch 5) 5/29/26 69.7   3.6 1500 52.2   0.3 2344 52.2   1.8 77 95   2 55   18 5.0 15.9   4.3 1618 0.00 30.39 0.187   0.014 679   93 10
Bisordi (Fulton) 5/29/26 70.7   2.0 1500 52.7   0.1 0058 53.5   1.6 79 94   1 61   17 2.8 13.9   2.4 1649 0.00 24.77 0.189   0.027 709   147 10
Windsor-South (Laughlin Rd) 5/29/26 73.0   1.3 1530 52.3   0.1 0024 51.8   1.9 73 91   3 50   13 - - - 0.02 28.91 - - 0
Fulton-SE (Barnes Rd) 5/29/26 69.8   3.3 1533 52.6   0.2 0054 51.8   1.3 75 93   2 57   15 3.8 15.4   2.9 1545 0.01 29.04 - - 0
Fulton-SW (Ranch 21) 5/29/26 69.8   3.4 1450 52.1   0.2 0003 51.9   12.5 76 93   7 56   56 4.3 14.8   3.5 1437 0.00 29.63 0.193   0.016 706   104 20
NW Santa Rosa (Piner Road) 5/29/26 69.6   3.4 1535 52.2   0.4 0051 54.9   2.2 86 100   0 62   17 2.6 12.5   1.4 1429 0.00 23.80 - - 20
River Rd South (Denner Ranch) 5/29/26 70.4   2.6 1459 51.9   0.1 0058 5.2   7.9 39 100   0 0   0 5.2 17.8   2.6 1317 - - - - 30
West Santa Rosa (LOV Vineyard) 5/29/26 71.0   2.6 1533 52.3   0.4 2334 52.2   2.2 78 94   2 54   17 2.4 13.0   0.8 1607 0.00 23.43 0.025   0.002 0   0 20
Guerneville Rd (Prokopakis) 5/29/26 75.3   0.4 1539 52.8   0.0 0053 53.1   2.1 73 96   2 47   10 - - - 0.00 28.59 - - 50
SunnyView Vineyard (SCWC) 5/29/26 69.8   4.2 1304 52.1   0.2 2353 51.6   1.8 76 95   1 51   15 2.3 11.8   3.4 1532 0.00 31.16 0.175   0.017 644   122 30
Guerneville Rd West (Balletto) 5/29/26 70.1   3.1 1612 52.5   0.5 0058 53.7   1.0 81 97   1 60   17 3.3 12.9   1.9 1357 0.00 28.72 - - 20
Sanchietti Ranch 5/29/26 70.1   3.0 1556 53.4   0.1 0045 54.4   0.9 - 94   2 64   16 3.8 13.7   1.8 1602 0.00 29.34 - - 0
Occidental Rd (Sebastopol) 5/29/26 71.3   3.3 1531 52.4   0.1 0045 57.6   1.7 92 100   0 69   17 2.9 14.2   2.4 1333 0.00 11.89 - - 20
Harper's Rest (Windsor-West) 5/29/26 74.5   0.9 1612 51.2   0.0 0054 51.3   2.5 - 95   1 44   11 2.3 10.4   5.0 1502 0.00 35.13 - - 0
Lower Westside Rd (Ranch 12) 5/29/26 72.5   1.8 1712 52.3   0.1 0058 51.8   1.8 74 94   3 47   12 2.5 14.0   0.3 1546 0.00 33.79 - - 0
Guerneville (Laughlin Rd) 5/29/26 71.4   2.0 1158 51.7   0.7 2220 51.5   1.1 76 95   1 50   13 2.9 13.8   1.3 1306 0.00 44.81 - - 0
Korbel (Winery) 5/29/26 70.8   3.3 1510 53.1   0.1 0628 51.8   1.3 74 94   2 50   13 1.6 13.9   0.6 1317 0.00 42.00 - - 10
Forestville (Shone Farms) 5/29/26 74.5   0.0 1727 50.7   1.0 0044 52.3   2.0 74 94   3 48   9 2.8 12.7   1.9 1534 0.00 36.08 0.186   0.025 661   118 0
Forestville-NE (Ranch 30) 5/29/26 71.8   3.2 1627 52.0   0.3 0036 53.3   2.0 79 97   1 54   12 3.4 15.3   1.2 1547 0.01 33.95 0.180   0.011 646   69 40
Foggy Bend (Ranch 41) 5/29/26 72.8   1.3 1708 53.1   0.1 0043 53.6   1.5 77 94   2 56   11 3.0 14.8   0.5 1355 0.00 35.26 0.186   0.015 675   89 0
Last Stop 5/29/26 74.4   0.4 1537 52.1   0.2 2158 52.9   1.7 76 96   1 52   12 2.7 12.6   4.7 1442 0.00 34.24 0.195   0.026 695   119 0
Green Valley Vineyard 5/29/26 71.4   1.6 1650 51.4   0.1 2209 51.6   1.6 75 96   2 50   11 2.4 12.7   3.5 1326 0.00 41.77 0.026   0.002 0   0 10
Park Royal 5/29/26 69.6   2.7 1414 52.1   0.5 0048 51.5   1.9 76 93   4 53   15 - - - 0.00 17.10 - - 20
Merino 5/29/26 71.1   4.1 1539 52.2   0.4 0051 53.8   1.9 81 99   0 59   17 3.2 13.5   1.6 1239 0.00 30.08 0.183   0.018 680   120 20
Green Valley (Sanchietti) 5/29/26 74.1   1.5 1626 53.0   0.1 0614 - - - - - - - - - - - 0
Keefer Ranch (Green Valley) 5/29/26 71.5   3.2 1544 51.6   1.0 2222 52.6   0.7 77 95   1 52   10 - - - 0.00 37.19 - - 20
Graton-West (Dutton Ranch) 5/29/26 72.5   2.6 1535 52.3   0.4 2221 56.5   2.6 87 100   0 53   14 2.3 11.6   3.5 1252 0.00 45.44 - - 20
Graton-South (Mill Station Rd) 5/29/26 69.3   2.5 1536 52.1   0.0 2219 52.0   1.2 80 96   2 56   14 1.2 9.1   0.6 1536 0.00 34.59 - - 20
Occidental (Horseshoe Bend) 5/29/26 67.8   2.0 1547 49.8   0.5 2238 50.7   0.8 - 100   0 55   14 - - - 0.00 37.58 - - 20
Sexton Valley (Jacqueline's Blk) 5/29/26 69.2   3.4 1538 51.1   1.3 2237 53.0   1.0 82 96   2 60   14 1.7 10.2   4.7 1541 0.00 23.05 - - 20
Sebastopol Hills (Burnside Rd) 5/29/26 65.7   4.9 1553 50.6   0.5 0000 52.0   0.9 85 100   0 67   18 3.9 13.3   0.1 1642 0.04 33.82 - - 0
Pleasant Hill 5/29/26 71.1   3.3 1529 51.2   0.1 0352 51.4   1.8 - 95   3 52   15 2.9 12.1   1.4 1338 0.02 31.82 - - 30
Seaview/Fort Ross (Hirsch) 5/29/26 64.6   1.0 1556 46.3   0.8 0528 48.5   2.2 80 97   0 61   13 3.0 10.4   11.3 1008 0.00 53.98 0.170   0.017 693   91 0
Max   75.3 - 53.4 - 57.6 92 100 69 5.2 17.8 - 0.04 53.98 0.195 709 -
Avg   - - - - 51.2 77 - - 2.9 - - - - - - -
Min   64.6 - 46.3 - 5.2 39 84 0 0.0 0.0 - 0.00 11.89 0.025 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 5/30/26 9:34 AM PDT
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Station Date Daily Max Temp (°F) Time of Max Temp Daily Min Temp (°F) Time of Min Temp Dew Pt (°F) Daily Max RH (%) Daily Min RH (%) Wind Spd (mph) Daily Max Wind (mph) Time of Max Wind Max Wind Dir (°) Daily Rain (In) Season Precip (In) Daily ETo (in) Daily Solar Rad (Cal/cm2) Powdery Mildew Stress (pts)
Upper Rincon Valley 5/29/26 66.7   2.9 1449 49.3   0.1 0027 49.8   2.1 98   0 55   13 2.3   0.3 11.0   2.0 1432 SE | 137 0.02 6.08 0.132   0.009 476   55 30   10
Lower Bennett Valley 5/29/26 67.1   3.3 1631 50.0   1.3 0032 52.1   1.7 100   0 58   15 4.2   0.9 15.0   1.1 1229 S | 190 0.01 28.00 0.160   0.014 611   100 10   10
Kenwood (Wildwood) 5/29/26 71.2   0.5 1339 50.1   1.5 2258 51.9   1.8 97   2 52   11 2.6   0.0 15.0   0.5 0637 NNW | 335 0.01 32.85 0.162   0.006 589   45 0   0
Sonoma Valley (Bedrock) 5/29/26 71.0   0.6 1651 50.1   0.9 2353 50.5   2.3 94   2 50   12 - - - - 0.00 28.95 - - 0   0
Sonoma-West (Arnold) 5/29/26 71.5   1.4 1431 49.2   3.6 2350 51.2   1.2 94   1 50   12 3.5   0.2 15.3   0.9 1434 SW | 234 0.02 18.30 0.192   0.007 672   33 20   10
Sonoma Valley HS 5/29/26 70.5   1.1 1436 51.0   1.7 2335 53.2   1.4 98   2 58   12 2.8   0.4 11.0   1.5 1725 WSW | 244 0.00 6.91 0.146   0.021 530   60 0   0
Sonoma East (Bundschu01) 5/29/26 71.5   0.2 1614 50.5   2.6 2353 51.1   1.7 93   2 49   10 3.7   1.1 16.7   3.7 1515 ESE | 111 0.00 21.65 0.154   0.015 531   24 20   10
Schellville (Sasaki) 2/4/26 70.2 1502 39.9 0001 48.4 98 51 2.9 11.8 1113 NE | 34 0.00 0.00 - - 0
Sonoma-SE (Napoli) 5/29/26 70.4   4.4 1456 51.0   1.7 2349 51.3   1.7 93   1 52   16 3.3   0.6 13.5   2.0 0610 W | 262 0.00 18.67 - - 0   0
Ricci Vineyards (Carneros) 5/29/26 70.2   3.2 1556 51.3   1.6 0021 51.1   1.4 94   1 51   14 5.4   0.8 15.8   2.0 0639 W | 271 0.00 23.15 0.169   0.014 585   29 30   10
Carneros (Ranch 71) 5/29/26 68.9   0.1 1551 50.4   1.6 0008 50.9   2.0 96   1 55   12 5.2   0.3 17.9   4.6 0635 W | 271 0.00 19.98 0.153   0.003 545   3 20   10
Carneros Upper (Ranch 81) 5/29/26 69.3   3.3 1522 50.4   1.8 0035 40.3   2.5 - - 7.9   1.5 18.9   1.8 0617 W | 276 - - - - 20   10
Carneros Lower (Ranch 81) 5/29/26 69.5   2.6 1251 51.3   1.7 0059 52.3   8.3 93   7 56   56 1.6   0.1 16.6   2.9 1512 S | 170 0.09 19.55 0.142   0.000 501   28 20   10
Rohnert Park-West (Stony Point) 5/29/26 66.8   5.1 1520 52.0   0.3 0058 53.0   1.2 96   2 66   17 4.0   0.4 15.9   4.6 1716 SSW | 199 0.01 12.31 - - 10   10
Cartograph Wines Base 5/29/26 64.4   7.2 1509 50.9   0.7 0050 52.5   0.8 97   1 73   23 6.5   2.4 21.0   0.8 1737 S | 181 0.00 28.85 0.147   0.018 660   52 0   0
Cartograph Wines Remote 5/29/26 66.6   5.2 1228 51.7   0.5 0057 - - - - - - - - - - - 0   0
Rice-Spivak Vineyard 5/29/26 69.5   5.9 1507 47.8   3.6 0342 - - - - - - - - - - - 10   10
Penngrove (Asellus) 5/29/26 66.5   5.3 1111 51.3   0.9 2327 51.4   1.9 95   1 58   17 3.1   1.2 12.8   5.6 1634 SSW | 209 0.01 68.31 - - 20   10
Petaluma (Ranch 10) 5/29/26 69.9   5.3 1347 52.3   0.1 2341 51.2   0.3 93   7 52   14 3.6   1.8 11.9   0.4 1746 W | 277 0.00 19.96 0.136   0.043 464   166 0   0
Max   71.5 - 52.3 - 53.2 100 73 7.9 21.0 - - 0.09 68.31 0.192 672 -
Avg   - - - - 50.8 - - 4.0 - - - - - - - -
Min   64.4 - 47.8 - 40.3 93 49 1.6 11.0 - - 0.00 6.08 0.132 464 -