0in

Rain Today

Rain Last Hour
0in

Recorded at Petaluma Municipal Airport Updated 26 mins ago (18.6 miles away)

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Real-Time Extremes

Hottest 85.9 °F
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Coldest -38.3 °F
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Windiest 42.5mph
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Wettest (Last Hour) 0.6in
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Most Humid 100%
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Least Humid 14%
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Highest Pressure 1028.1 hPa
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Lowest Pressure 985 hPa
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St Helena Rainfall Forecast

Today 5 Mar
No Rain
Fri 6 Mar
No Rain
Sat 7 Mar
No Rain
Sun 8 Mar
No Rain
Mon 9 Mar
No Rain
Tue 10 Mar
No Rain
Wed 11 Mar
5%

St Helena Rainfall Statistics

March Rainfall

Petaluma Municipal Airport (18 miles)

Total Rainfall 2026
5.9in
Daily Average 2026
0.1in
Wettest Day 15 February, 2026
1.2in
Wet Days 2026
18/64 (28%)
Total Rainfall February
3.8in
Daily Average February
0.1in
Wettest Day 15 February, 2026
1.2in
Wet Days February
10/28 (36%)
Total Rainfall March
0in
Daily Average March
0in
Wettest Day 1 March, 2026
0in
Wet Days March
–

Climate (2011–Present)

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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