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St. Helena (NVV Office)

Current Conditions

7/10/26 12:15 AM (-07:00)
Updated Every 15 Minutes
Temp 60.5 °F   1.6
Wind Spd 1.2 mph   0.8
Wind Dir ESE | 120 °
Wind Gust 3.2 mph   1.7
Wind Gst Dir SE | 131 °
Latest Rain 0.00 In
Daily Rain 0.00 In
Daily Max Temp 94.6 °F   5.7
Daily Min Temp 54.4 °F   0.8
Daily Max Wind 9.9 mph   0.2
Max Wind Dir ENE | 58 °

St. Helena (NVV Office)

Current Conditions

7/10/26 12:15 AM (-07:00)
Updated Every 15 Minutes
Daily Rain 0.00 In
Month Precip 0.00 In
Season Precip 0.00 In
Yest MaxT 88.9 °F
Yest MinT 55.2 °F
Yest MaxGst 10.1 mph
Yest Precip 0.00 In

Last 7 Days

St. Helena (NVV Office)

Daily Data | America/Los_Angeles
as of 7/10/26 12:18 AM 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)
7/8/26 88.9 55.2 1.8 ESE | 103 10.1 1552 0.00 0.00 17.2 0.0 90 12.7
7/7/26 83.9 53.9 1.8 E | 97 9.4 1719 0.00 0.00 14.8 0.0 100 12.6
7/6/26 86.0 54.5 1.8 E | 96 9.4 1436 0.00 0.00 16.5 0.0 100 12.6
7/5/26 85.6 54.8 2.1 E | 80 10.5 1604 0.00 0.00 17.6 0.0 90 12.7
7/4/26 89.1 55.1 2.0 ESE | 105 11.8 1608 0.00 0.00 18.8 0.0 70 12.7
7/3/26 92.5 56.4 1.8 ESE | 106 10.4 1812 0.00 0.00 20.0 0.0 80 12.7
Max 92.5 56.4 2.1 - 11.8 - 0.00 0.00 20.0 0.0 - 12.7
Avg - - 1.9 - - - - - 17.5 0.0 - -
Min 83.9 53.9 1.8 - 9.4 - 0.00 0.00 14.8 0.0 - 12.6
Total - - - - - - - - 104.9 0.0 - -

Climate Summary

St. Helena (NVV Office)

Current Year | Showing 1/1/26 - 7/8/26
as of 7/10/26 12:18 AM 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 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 28 66.9 42 83.4 28.8 9.9 18.8 5.23 0 3 0 0 6 2 0
Mar 2026 31 83.1 46.9 95.3 40.2 10.9 19.9 0.35 0 0 8 0 1 0 0
Apr 2026 30 73.4 45.7 87.3 39.4 11.1 18 4.09 0 0 0 0 5 2 0
May 2026 31 81.7 51.4 96.1 46 11.6 23.5 1.18 0 0 4 0 3 0 0
Jun 2026 30 90 54.9 109.1 48.6 11.4 16.3 0 0 0 11 3 0 0 0
Jul 2026 8 87 54.7 92.5 51.5 10.4 11.8 0 0 0 1 0 0 0 0
Total 189 - - - - - - 15.34 0 5 24 3 20 6 0
Average 27 77.3 46.9 77.3 46.9 10.6 - 2.19 0 0.7 3.4 0.4 2.9 0.9 0
Maximum 31 90 54.9 109.1 - - 23.5 5.23 0 3 11 3 6 2 0
Minimum 8 65.3 38.6 - 28.8 - - 0 0 0 0 0 0 0 0