0in

Rain Today

Rain Last Hour
0in

Recorded at Petaluma Municipal Airport Updated 24 mins ago (18.6 miles away)

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Real-Time Extremes

Hottest 84.1 °F
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Coldest -11.3 °F
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Windiest 43.6mph
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Wettest (Last Hour) 0.1in
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Most Humid 100%
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Least Humid 12%
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Highest Pressure 1033.5 hPa
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Lowest Pressure 997 hPa
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St Helena Rainfall Forecast

Today 28 Nov
No Rain
Sat 29 Nov
No Rain
Sun 30 Nov
No Rain
Mon 1 Dec
No Rain
Tue 2 Dec
No Rain
Wed 3 Dec
No Rain
Thu 4 Dec
No Rain

St Helena Rainfall Statistics

November Rainfall

Petaluma Municipal Airport (18 miles)

Total Rainfall 2025
11.6in
Daily Average 2025
0.04in
Wettest Day 4 February, 2025
1.6in
Wet Days 2025
41/332 (12%)
Total Rainfall October
0.6in
Daily Average October
0.02in
Wettest Day 13 October, 2025
0.5in
Wet Days October
5/31 (16%)
Total Rainfall November
2.6in
Daily Average November
0.1in
Wettest Day 13 November, 2025
1in
Wet Days November
6/28 (21%)

Climate (2011–Present)

Petaluma Municipal Airport (18 miles)

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Annual Average 2020–2024
10.1in
Monthly Average 2020–2025
0.9in
Daily Average 2020–2025
0.03in
Wettest Day 24 October, 2021
4.8in

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