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St. Helena (NVV Office)

Current Conditions

2/27/26 1:30 PM (-08:00)
Updated Every 15 Minutes
Temp 80.4 °F   7.2
Wind Spd 2.3 mph   1.0
Wind Dir NW | 310 °
Wind Gust 6.1 mph   1.8
Wind Gst Dir NW | 311 °
Latest Rain 0.00 In
Daily Rain 0.00 In
Daily Max Temp 81.1 °F   7.0
Daily Min Temp 50.4 °F   0.9
Daily Max Wind 7.4 mph   0.6
Max Wind Dir ENE | 58 °

St. Helena (NVV Office)

Current Conditions

2/27/26 1:30 PM (-08:00)
Updated Every 15 Minutes
Daily Rain 0.00 In
Month Precip 5.23 In
Season Precip 23.51 In
Yest MaxT 77.9 °F
Yest MinT 51.2 °F
Yest MaxGst 8.3 mph
Yest Precip 0.01 In

Last 7 Days

St. Helena (NVV Office)

Daily Data | America/Los_Angeles
as of 2/27/26 1:33 PM PST
Load Interactive
Date Daily Max Temp (°F) Daily Min Temp (°F) Wind Spd (mph) Wind Dir (°) Daily Max Wind (mph) Time of Max Wind Daily Rain (In) Season Precip (In) GDDs (DL) Chilling <=45F (hrs) MinBV Day (V)
2/26/26 77.9 51.2 1.1 NNW | 332 8.3 1547 0.01 23.51 12.0 0.0 12.6
2/25/26 67.2 51.4 0.8 NE | 56 6.6 1559 0.04 23.50 9.8 0.0 12.6
2/24/26 68.9 55.0 2.3 SE | 135 11.5 1402 0.51 23.46 9.8 0.0 12.6
2/23/26 69.5 51.7 1.5 ESE | 120 9.8 1315 0.02 22.95 9.2 0.0 12.6
2/22/26 68.6 43.5 1.1 SSE | 164 12.4 1419 0.00 22.93 6.1 2.6 12.6
2/21/26 60.4 31.2 1.5 SSE | 148 11.1 1309 0.00 22.93 2.2 10.6 12.5
2/20/26 55.0 28.8 1.0 ESE | 118 7.3 1336 0.00 22.93 0.7 14.7 12.5
Max 77.9 55.0 2.3 - 12.4 - 0.51 23.51 12.0 14.7 12.6
Avg - - 1.3 - - - - - 7.1 4.0 -
Min 55.0 28.8 0.8 - 6.6 - 0.00 22.93 0.7 0.0 12.5
Total - - - - - - - - 49.8 27.9 -

Climate Summary

St. Helena (NVV Office)

Current Year | Showing 1/1/26 - 2/26/26
as of 2/27/26 1:33 PM PST
Temperature (°F) Max Wind Gust (mph) Precip (in) Days
Month Days Avg High Avg Low Max Min Avg Max Total Daily Min Temp < 28 Daily Min Temp < 32 Daily Max Temp > 90 Daily Max Temp > 100 Daily Rain > 0.25 Daily Rain > 1 Daily Max Wind > 25
Jan 2026 31 65.3 38.6 81.6 31.5 8.9 17.5 4.49 0 2 0 0 5 2 0
Feb 2026 26 65.8 41.2 78.5 28.8 10 18.8 5.23 0 3 0 0 6 2 0
Total 57 - - - - - - 9.72 0 5 0 0 11 4 0
Average 28.5 65.5 39.8 65.5 39.8 9.4 - 4.86 0 2.5 0 0 5.5 2 0
Maximum 31 65.8 41.2 81.6 - - 18.8 5.23 0 3 0 0 6 2 0
Minimum 26 65.3 38.6 - 28.8 - - 4.49 0 2 0 0 5 2 0