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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/22/26 9:10 PM 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) 9/21/26 76.3   0.2 1607 51.3   3.0 0628 51.8   2.2 76   16 100   14 44   15 4.4   0.4 15.3   6.4 1313 SSE | 148 0.00 0.33 0.154   0.036 510   178 100   0
Rockpile Lower (Cooley) 9/21/26 79.5   3.1 1622 50.6   0.8 0603 52.6   1.6 79   11 100   5 43   1 2.0   0.3 11.4   0.0 1923 SE | 128 0.00 0.33 - - 60   10
Cloverdale-East (Ranch 83) 9/21/26 79.4   0.1 1606 49.9   0.7 0351 53.1   0.6 - - - 3.0   1.1 15.2   2.0 1533 SSW | 196 0.00 0.12 0.122   0.025 392   106 100   0
Cloverdale-SE (Ranch 38) 9/21/26 77.5   1.2 1628 51.7   1.6 0327 53.6   0.3 83   6 98   0 49   4 6.0   1.8 18.6   1.2 1257 SE | 139 0.00 0.11 0.117   0.014 372   95 20   10
Geyserville-North (Hoffman) 9/21/26 77.6   2.4 1622 53.8   2.8 0253 54.8   0.2 81   4 95   0 52   4 2.6   0.9 11.7   0.4 1757 ESE | 115 0.00 0.00 0.102   0.013 338   67 30   10
Geyserville (Ranch 3) 9/21/26 77.4   1.1 1620 54.0   2.7 0252 54.1   0.9 81   7 100   0 47   4 2.6   0.9 11.0   0.0 1802 SE | 137 0.00 0.13 0.097   0.009 308   51 60   10
Geyserville-East (Ranch 40) 9/21/26 76.8   0.1 1543 51.9   1.5 0720 53.8   0.1 87   6 100   0 50   1 5.4   1.2 20.3   4.2 1900 SSE | 147 0.00 0.12 0.106   0.004 366   60 0   0
Geyserville-South (Nervo Station) 9/21/26 76.6   0.7 1606 53.8   2.3 0218 - - - - 2.6   0.4 12.1   1.7 1657 ESE | 117 0.00 0.21 - - 0   10
Peterson (Ranch 09) 9/21/26 76.4   0.2 1611 52.6   1.4 0219 52.6   0.5 80   5 93   1 47   3 2.5   0.3 11.5   0.6 1705 SSE | 150 0.00 0.20 0.098   0.003 332   38 30   10
Crazy Creek Ranch 9/21/26 78.4   1.5 1627 52.2   1.4 0209 54.3   0.4 82   5 95   1 50   1 2.0   0.6 11.0   1.6 1704 S | 190 0.00 0.23 0.105   0.012 363   54 10   10
Whitton Ranch (201e) 9/21/26 78.0   0.7 1630 53.5   4.7 0222 53.6   0.6 81   5 96   4 47   4 2.4   0.4 11.9   1.5 1725 SSE | 151 0.00 0.29 0.090   0.002 276   16 20   10
Lytton East (Shop Hill Bottom) 9/21/26 75.8   1.5 1547 54.1   1.8 0151 53.0   0.4 81   6 95   0 48   5 3.1   0.9 13.2   1.4 1709 SE | 129 0.00 0.27 0.105   0.007 347   43 10   10
Lytton East (Hill 5) 9/21/26 75.0   1.8 1559 53.6   0.9 0049 53.2   0.4 83   7 97   0 50   5 4.2   1.0 16.2   2.0 1610 SSE | 164 0.00 0.25 0.099   0.003 314   40 60   10
Lytton West Lower (Lew 6) 9/21/26 76.0   1.3 1552 52.8   1.5 0101 53.3   0.3 82   5 100   0 49   5 2.9   0.6 13.2   0.9 1603 S | 187 0.00 0.28 0.107   0.011 360   64 10   10
Lytton West Hill (23PS) 9/21/26 75.2   0.4 1545 54.2   1.1 0141 54.0   0.4 85   6 99   0 51   4 3.2   0.4 14.9   1.9 1626 SSW | 193 0.00 0.26 0.108   0.011 371   72 80   10
Big River 9/21/26 74.8   1.0 1553 54.1   1.8 0031 54.6   0.4 86   7 99   1 56   5 2.6   0.6 13.1   2.6 1722 ESE | 117 0.00 0.28 0.102   0.000 359   20 80   10
Jimtown-North (Piccolo Ranch 15) 9/21/26 78.9   1.5 1608 51.4   2.4 0152 53.2   1.4 80   7 100   0 40   1 1.6   0.4 14.0   3.5 1637 S | 188 0.00 0.20 0.089   0.003 300   30 10   10
HWY 128/Chalk Hill Rd (Landslide) 9/21/26 78.0   0.4 1553 53.7   2.4 0102 53.8   0.8 80   6 94   0 45   1 2.2   0.5 11.8   1.5 1627 SSE | 161 0.00 0.31 0.092   0.004 299   36 10   10
N Chalk Hill Rd (Ranch 63) 9/21/26 75.9   0.7 1540 52.5   4.2 0101 52.5   0.8 80   7 93   0 47   2 2.3   0.4 12.0   2.1 1730 SE | 144 0.00 0.29 0.094   0.001 311   27 20   10
Newman Knights Valley 9/21/26 77.2   1.5 1615 54.4   3.9 0107 53.4   0.0 79   4 88   1 58   1 3.2   0.8 13.7   2.8 1701 WSW | 237 0.00 0.40 - - 0   10
Knights Valley (Bavarian Lion) 9/21/26 77.7   1.6 1608 49.7   2.9 2207 52.3   1.2 80   5 96   2 43   2 2.3   0.5 13.9   1.8 1705 W | 281 0.00 0.26 0.107   0.009 352   41 50   20
Red Tail 9/21/26 75.9   2.0 1459 50.2   0.8 0228 53.3   0.5 82   5 93   1 55   5 2.8   0.4 15.3   4.4 1616 SSW | 198 0.00 0.29 0.101   0.003 348   32 70   10
Franz Valley (Stornetta) 9/21/26 77.8   0.1 1536 51.8   6.4 2222 52.4   1.7 - 93   0 44   0 1.8   0.6 11.6   3.4 1713 WSW | 245 0.00 0.43 - - 100   20
Upper Dry Creek Valley 9/21/26 78.8   0.9 1624 54.0   2.5 0201 53.8   0.7 79   5 95   0 46   6 2.8   0.8 12.6   1.2 1817 SE | 136 0.00 0.14 0.119   0.021 390   97 80   20
Lower Dry Creek Valley 9/21/26 75.8   0.9 1602 54.5   2.5 0150 54.6   0.9 85   7 100   0 50   5 2.5   1.3 16.1   3.2 1734 SE | 131 0.00 0.26 0.106   0.021 346   78 60   10
Max   79.5 - 54.5 - 54.8 87 100 58 6.0 20.3 - - 0.00 0.43 0.154 510 -
Avg   - - - - 53.4 82 - - 2.9 - - - - - - - -
Min   74.8 - 49.7 - 51.8 76 88 40 1.6 11.0 - - 0.00 0.00 0.089 276 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/22/26 9:10 PM 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) 9/21/26 77.1   0.3 1550 54.3   1.1 2317 52.4   0.9 78 84   0 54   3 0.0 0.0   0.0 0101 0.00 0.50 0.090   0.012 334   54 0
Windsor-East (Ranch 16) 9/21/26 74.7   3.4 1518 54.0   0.7 0057 53.4   0.4 82 94   2 51   9 3.8 14.3   2.1 1628 0.00 0.23 0.101   0.002 341   44 80
Mark West-North (Ranch 14) 9/21/26 74.9   0.7 1457 54.1   0.5 2358 53.1   0.4 83 95   3 49   5 2.2 10.9   2.4 1830 0.00 0.24 - - 80
Windsor-SE (Silk Rd) 9/21/26 73.9   1.6 1530 54.6   0.2 0702 53.8   0.2 84 95   0 52   4 2.1 11.1   2.4 1556 0.00 0.32 0.095   0.012 339   69 70
Fulton-NW (Ranch 5) 9/21/26 72.6   2.4 1508 54.1   0.1 0009 53.7   0.2 85 100   7 56   7 3.5 13.4   1.8 1726 0.00 0.23 0.094   0.000 334   32 70
Bisordi (Fulton) 9/21/26 73.4   1.9 1501 54.4   1.4 0058 54.2   0.2 85 93   1 62   7 2.4 13.0   3.2 1617 0.00 0.22 0.097   0.004 354   34 70
Windsor-South (Laughlin Rd) 9/21/26 74.6   1.8 1455 54.2   0.1 0636 53.2   0.1 83 93   1 52   5 - - - 0.00 0.17 - - 70
Fulton-SE (Barnes Rd) 9/21/26 73.0   2.0 1450 54.3   0.9 0022 53.6   0.1 83 94   3 56   6 2.1 11.4   0.0 1501 0.00 0.29 - - 70
Fulton-SW (Ranch 21) 9/21/26 72.4   1.6 1427 54.0   0.0 2305 53.2   0.0 84 96   2 56   7 3.2 13.7   3.7 1645 0.00 0.20 0.102   0.006 369   55 70
NW Santa Rosa (Piner Road) 9/21/26 71.9   3.0 1448 53.9   0.2 0101 56.3   0.2 94 100   0 65   8 2.3 13.5   3.9 1600 0.00 0.00 - - 70
River Rd South (Denner Ranch) 9/21/26 71.8   3.7 1436 53.1   0.5 0803 -29.5   22.9 21 100   0 0   0 4.8 18.8   5.9 1751 - - - - 80
West Santa Rosa (LOV Vineyard) 8/25/26 85.6   5.6 1427 51.5   1.4 0051 53.4   2.0 73 96   2 24   16 1.5 11.9   1.3 1443 0.00 0.00 0.029   0.002 0   0 100
Guerneville Rd (Prokopakis) 9/21/26 75.1   1.8 1525 54.6   0.8 0757 54.0   0.3 83 96   0 50   5 - - - 0.00 0.24 - - 20
SunnyView Vineyard (SCWC) 9/21/26 72.4   2.2 1453 53.8   0.4 0709 52.9   0.2 84 94   0 54   7 2.1 12.4   2.1 1521 0.00 0.27 0.086   0.003 308   37 70
Guerneville Rd West (Balletto) 9/21/26 71.3   2.8 1418 54.6   0.2 0740 54.8   0.0 89 98   1 62   6 3.0 14.6   4.6 1645 0.00 0.43 - - 70
Sanchietti Ranch 9/21/26 72.9   0.6 1442 55.2   0.2 0659 55.4   0.1 - 95   1 64   4 3.0 15.8   4.4 1600 0.00 0.28 - - 70
Occidental Rd (Sebastopol) 9/21/26 72.5   1.2 1440 54.2   0.7 0059 57.9   0.3 98 100   0 78   10 2.6 16.0   5.0 1542 0.00 0.20 - - 70
Harper's Rest (Windsor-West) 9/21/26 75.7   0.5 1520 53.2   0.5 0716 52.5   0.2 - 95   0 47   1 1.6 8.5   0.3 1558 0.00 0.45 - - 90
Lower Westside Rd (Ranch 12) 9/21/26 74.8   0.8 1504 54.4   0.9 0615 53.5   0.1 83 96   3 51   4 2.0 11.0   2.6 1426 0.00 0.45 - - 80
Guerneville (Laughlin Rd) 9/21/26 72.2   3.4 1358 51.7   1.9 0215 52.9   0.6 81 94   1 53   5 2.2 13.8   2.4 1515 0.00 0.81 - - 80
Korbel (Winery) 9/21/26 73.4   2.6 1408 54.3   2.4 0206 53.5   0.1 83 94   0 54   5 0.6 9.9   2.1 1519 0.00 0.52 - - 80
Forestville (Shone Farms) 9/21/26 74.0   2.8 1538 52.5   0.9 0632 53.9   0.1 85 97   0 55   5 1.9 11.3   2.2 1545 0.00 0.43 0.092   0.011 328   58 80
Forestville-NE (Ranch 30) 9/21/26 74.0   2.4 1458 53.6   0.6 0658 54.3   0.2 87 97   1 58   6 2.6 13.5   4.0 1619 0.00 0.40 0.096   0.012 343   65 10
Foggy Bend (Ranch 41) 9/21/26 73.6   2.1 1515 54.9   0.7 0612 54.6   0.3 85 94   1 60   4 2.0 11.8   3.6 1548 0.00 0.42 0.093   0.008 335   44 80
Last Stop 9/21/26 74.8   2.1 1458 54.4   1.6 1957 53.7   0.1 83 94   2 55   5 2.2 12.2   3.9 1534 0.00 0.39 0.095   0.010 335   52 40
Green Valley Vineyard 9/21/26 71.8   3.1 1452 53.3   1.8 0606 53.5   0.1 88 98   1 57   6 2.1 13.2   3.7 1623 0.00 0.57 0.016   0.003 10   10 80
Park Royal 9/21/26 73.0   0.4 1445 53.9   0.2 0701 53.4   0.4 85 96   1 54   4 - - - 0.00 0.21 - - 70
Merino 9/21/26 74.8   0.7 1450 54.5   0.8 0059 55.0   0.2 87 97   0 56   3 2.3 10.6   2.2 1558 0.00 0.33 0.098   0.008 350   54 70
Green Valley (Sanchietti) 9/21/26 72.9   3.3 1351 54.6   4.2 0024 - - - - - - - - - - - 80
Keefer Ranch (Green Valley) 9/21/26 70.3   4.1 1450 54.6   2.0 0706 54.2   0.1 87 95   1 63   9 - - - 0.00 0.48 - - 80
Graton-West (Dutton Ranch) 9/21/26 71.7   5.0 1431 54.6   1.9 0713 58.4   0.1 100 100   0 87   29 2.1 12.2   2.8 1603 0.00 0.61 - - 80
Graton-South (Mill Station Rd) 9/21/26 68.3   4.2 1423 53.8   1.8 0059 54.0   0.2 90 97   1 64   10 0.9 9.4   2.9 1614 0.00 0.41 - - 40
Occidental (Horseshoe Bend) 9/21/26 65.1   5.8 1435 51.7   2.1 0036 53.5   0.6 - 100   0 70   14 - - - 0.00 0.75 - - 60
Sexton Valley (Jacqueline's Blk) 9/21/26 68.9   5.4 1344 54.3   1.5 0037 54.9   0.1 91 98   1 68   12 1.4 13.6   2.6 1551 0.00 0.27 - - 60
Sebastopol Hills (Burnside Rd) 9/21/26 66.5   3.5 1416 52.8   1.2 0059 54.2   0.1 96 100   0 71   10 2.5 14.7   4.2 1454 0.00 0.00 - - 30
Pleasant Hill 9/21/26 71.3   3.0 1440 53.5   0.7 0630 53.6   0.2 - 96   0 56   7 2.3 14.2   4.8 1536 0.00 0.49 - - 80
Seaview/Fort Ross (Hirsch) 9/21/26 65.0   2.8 1648 48.5   5.5 0825 51.5   0.8 86 97   8 66   9 2.9 10.4   0.6 1216 0.00 0.07 0.111   0.018 491   142 0
Max   77.1 - 55.2 - 58.4 100 100 87 4.8 18.8 - 0.00 0.81 0.111 491 -
Avg   - - - - 51.6 84 - - 2.3 - - - - - - -
Min   65.0 - 48.5 - -29.5 21 84 0 0.0 0.0 - 0.00 0.00 0.016 10 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/22/26 9:10 PM 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 9/21/26 73.6   1.6 1536 50.9   0.9 0053 52.3   0.3 98   0 51   1 1.5   0.2 9.6   2.5 1523 SSE | 166 0.00 0.02 0.080   0.012 279   58 90   10
Lower Bennett Valley 9/21/26 75.6   1.4 1504 52.8   0.5 0759 54.0   0.4 100   0 49   2 3.0   0.2 14.1   3.0 1626 WNW | 283 0.00 0.39 0.102   0.011 357   64 70   10
Kenwood (Wildwood) 9/21/26 78.5   4.8 1547 53.6   2.8 0723 53.0   0.1 96   4 43   8 2.4   0.5 12.4   0.6 1639 NNW | 334 0.00 0.21 0.104   0.012 351   24 40   10
Sonoma Valley (Bedrock) 9/21/26 74.2   4.6 1507 51.6   4.8 0113 51.9   1.2 94   2 47   7 - - - - 0.00 0.29 - - 70   10
Sonoma-West (Arnold) 9/21/26 74.0   4.9 1451 53.0   5.0 0118 52.7   1.4 91   0 50   7 3.0   0.9 11.4   0.6 1721 WNW | 291 0.00 0.35 0.118   0.032 400   101 60   10
Sonoma Valley HS 9/21/26 72.2   3.8 1438 53.1   2.7 0205 55.0   0.3 99   1 59   7 2.2   0.4 8.0   0.7 2356 W | 279 0.00 0.01 0.097   0.020 348   75 70   10
Sonoma East (Bundschu01) 9/21/26 71.7   2.6 1503 51.2   1.8 0218 52.8   0.1 93   2 54   4 3.0   0.1 18.8   5.7 1728 SE | 136 0.00 0.23 0.104   0.019 359   75 80   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) 9/21/26 72.4   2.0 1440 52.5   2.4 0135 53.0   0.1 92   1 53   2 2.6   0.8 12.1   2.0 1640 SSE | 154 0.00 0.18 - - 80   10
Ricci Vineyards (Carneros) 9/21/26 70.2   2.6 1429 53.4   4.7 0140 52.9   0.2 93   2 55   5 4.3   1.5 15.2   3.3 1640 SSE | 151 0.00 0.12 0.108   0.026 369   92 90   10
Carneros (Ranch 71) 9/21/26 68.4   2.3 1443 53.7   1.3 0711 53.1   0.3 94   0 60   5 4.4   2.2 15.0   5.1 0008 NW | 305 0.00 0.07 0.095   0.022 341   80 60   10
Carneros Upper (Ranch 81) 9/21/26 70.4   2.6 1447 53.7   1.1 0719 53.0   14.0 - - 6.8   2.6 20.0   2.8 1720 SSW | 196 - - - - 60   10
Carneros Lower (Ranch 81) 9/21/26 70.4   2.6 1424 54.0   3.0 2316 53.6   0.3 92   2 59   4 1.4   0.0 15.9   3.3 1335 SSE | 151 0.00 0.01 0.016   0.003 11   4 60   10
Rohnert Park-West (Stony Point) 9/21/26 71.7   1.3 1351 54.4   0.6 0628 54.8   0.4 98   1 61   5 2.3   0.7 18.7   3.7 1521 WSW | 244 0.01 0.21 - - 30   10
Cartograph Wines Base 9/21/26 71.2   0.3 1336 53.5   0.6 0808 54.5   0.1 98   0 65   2 3.8   0.4 19.6   4.2 1536 SW | 224 0.00 0.30 0.094   0.011 356   66 0   0
Cartograph Wines Remote 9/21/26 70.0   2.6 1334 54.4   0.7 0551 - - - - - - - - - - - 30   10
Rice-Spivak Vineyard 9/21/26 74.6   0.3 1330 54.1   0.8 0806 - - - - - - - - - - - 30   10
Penngrove (Asellus) 9/21/26 76.3   2.2 1444 54.4   0.9 0640 53.0   0.3 94   1 45   2 2.4   0.1 14.4   1.1 1545 W | 267 0.00 0.57 - - 0   10
Petaluma (Ranch 10) 9/21/26 79.3   4.7 1516 55.1   1.3 0601 53.1   0.0 91   0 42   7 2.4   1.2 12.1   5.0 1629 NW | 309 0.00 0.09 0.109   0.026 363   84 70   10
Max   79.3 - 55.1 - 55.0 100 65 6.8 20.0 - - 0.01 0.57 0.118 400 -
Avg   - - - - 53.3 - - 3.0 - - - - - - - -
Min   68.4 - 50.9 - 51.9 91 42 1.4 8.0 - - 0.00 0.01 0.016 11 -