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St. Helena (NVV Office)

Current Conditions

4/25/25 9:45 PM (-07:00)
Updated Every 15 Minutes
Temp 50.8 °F   3.0
Wind Spd 1.0 mph   0.4
Wind Dir WNW | 283 °
Wind Gust 3.5 mph   1.7
Wind Gst Dir WNW | 296 °
Latest Rain 0.00 In
Daily Rain 0.00 In
Daily Max Temp 63.3 °F   3.4
Daily Min Temp 50.6 °F   1.0
Daily Max Wind 11.5 mph   3.2
Max Wind Dir W | 281 °

St. Helena (NVV Office)

Current Conditions

4/25/25 9:45 PM (-07:00)
Updated Every 15 Minutes
Daily Rain 0.00 In
Month Precip 0.47 In
Season Precip 40.32 In
Yest MaxT 59.9 °F
Yest MinT 49.5 °F
Yest MaxGst 8.3 mph
Yest Precip 0.00 In

Last 7 Days

St. Helena (NVV Office)

Daily Data | America/Los_Angeles
as of 4/25/25 9:56 PM PDT
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) Powdery Mildew Stress (pts) MinBV Day (V)
4/24/25 59.9 49.5 1.3 NNE | 28 8.3 1803 0.00 40.32 3.1 0.0 50 12.7
4/23/25 70.2 44.8 2.0 E | 98 12.7 1501 0.00 40.32 6.8 0.1 60 12.6
4/22/25 78.3 47.8 1.6 ESE | 116 10.0 1536 0.00 40.32 10.8 0.0 70 12.7
4/21/25 85.5 48.6 1.3 S | 184 10.6 1851 0.00 40.32 13.6 0.0 80 12.7
4/20/25 81.4 48.7 1.5 N | 359 9.6 1538 0.00 40.32 10.4 0.0 60 12.7
4/19/25 73.8 42.7 1.5 N | 349 8.3 1643 0.00 40.32 6.0 2.4 40 12.6
4/18/25 77.1 47.7 1.4 NNW | 327 10.7 1735 0.00 40.32 10.8 0.0 50 12.7
Max 85.5 49.5 2.0 - 12.7 - 0.00 40.32 13.6 2.4 - 12.7
Avg - - 1.5 - - - - - 8.8 0.4 - -
Min 59.9 42.7 1.3 - 8.3 - 0.00 40.32 3.1 0.0 - 12.6
Total - - - - - - - - 61.7 2.5 - -

Climate Summary

St. Helena (NVV Office)

Current Year | Showing 1/1/25 - 4/24/25
as of 4/25/25 9:56 PM PDT
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 2025 31 63.3 36.2 80.2 28.3 11.5 23.9 0.99 0 8 0 0 2 0 0
Feb 2025 28 63.7 39.8 81.1 27.6 11.1 23.9 11.18 1 4 0 0 7 5 0
Mar 2025 31 65.6 41.8 88 33.1 13 19.9 4.18 0 0 0 0 6 1 0
Apr 2025 24 74.4 45.1 86.1 36.1 11.3 21.6 0.47 0 0 0 0 1 0 0
Total 114 - - - - - - 16.82 1 12 0 0 16 6 0
Average 28.5 66.4 40.5 66.4 40.5 11.8 - 4.2 0.2 3 0 0 4 1.5 0
Maximum 31 74.4 45.1 88 - - 23.9 11.18 1 8 0 0 7 5 0
Minimum 24 63.3 36.2 - 27.6 - - 0.47 0 0 0 0 1 0 0