0.04in

Rain Today

Rain Last Hour
0.03in

Recorded at Petaluma Municipal Airport Updated 28 mins ago (17.7 miles away)

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Real-Time Extremes

Hottest 84.1 °F
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Coldest -54.5 °F
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Windiest 55.3mph
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Wettest (Last Hour) 0.1in
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Most Humid 100%
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Least Humid 9%
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Highest Pressure 1025.7 hPa
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Lowest Pressure 965.1 hPa
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Tomales Bay Rainfall Forecast

Today 5 Jan
95%
Tue 6 Jan
35%
Wed 7 Jan
15%
Thu 8 Jan
5%
Fri 9 Jan
No Rain
Sat 10 Jan
No Rain
Sun 11 Jan
No Rain

Tomales Bay Rainfall Statistics

January Rainfall

Petaluma Municipal Airport (17.4 miles)

Total Rainfall 2026
0.5in
Daily Average 2026
0.3in
Wettest Day 2 January, 2026
0.5in
Wet Days 2026
2/5 (40%)
Total Rainfall December
3.4in
Daily Average December
0.1in
Wettest Day 25 December, 2025
0.7in
Wet Days December
10/31 (32%)
Total Rainfall January
0.5in
Daily Average January
0.3in
Wettest Day 2 January, 2026
0.5in
Wet Days January
2/5 (40%)

Climate (2011–Present)

Petaluma Municipal Airport (17.4 miles)

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Annual Average 2021–2025
11.9in
Monthly Average 2021–2025
1in
Daily Average 2021–2026
0.03in
Wettest Day 24 October, 2021
4.8in

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