0in

Rain Today

Rain Last Hour
0in

Recorded at Petaluma Municipal Airport Updated 16 mins ago (18.6 miles away)

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Real-Time Extremes

Hottest 102.1 °F
Batesville, Batesville Regional Airport, AR
Coldest 28.3 °F
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Windiest 31.1mph
Mount Washington, NH
Wettest (Last Hour) 0.7in
Knox County Airfield, OH
Most Humid 100%
Van Wert County Airport, OH
Least Humid 9%
Borrego Valley Airport, CA
Highest Pressure 1040.6 hPa
Salida - Monarch Pass, CO
Lowest Pressure 1001.4 hPa
Shemya, Eareckson AFB, AK

Trending Locations

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St Helena Rainfall Forecast

Today 4 Sep
No Rain
Sat 5 Sep
No Rain
Sun 6 Sep
No Rain
Mon 7 Sep
No Rain
Tue 8 Sep
15%
Wed 9 Sep
20%
Thu 10 Sep
15%

St Helena Rainfall Statistics

September Rainfall

Petaluma Municipal Airport (18 miles)

Total Rainfall 2026
10.3in
Daily Average 2026
0.04in
Wettest Day 15 February, 2026
1.2in
Wet Days 2026
38/247 (15%)
Total Rainfall August
0.02in
Daily Average August
0in
Wettest Day 9 August, 2026
0.01in
Wet Days August
2/31 (6%)
Total Rainfall September
0in
Daily Average September
0in
Wettest Day 1 September, 2026
0in
Wet Days September
–

Climate (2021–2025)

Petaluma Municipal Airport (18 miles)

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Annual Average 2021–2025
11.9in
Monthly Average 2021–2026
1.1in
Daily Average 2021–2026
0.04in
Wettest Day 24 October, 2021
4.8in

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