0 in

Rain Today

Rain Last Hour
0 in

Recorded at Napa, Napa County Airport Updated 40 mins ago (10.3 miles away)

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Real-Time Extremes

Hottest 89.5 °F
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Coldest 4.9 °F
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Windiest 48.3 mph
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Wettest (Last Hour) 0.4 in
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Most Humid 100%
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Least Humid 21%
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Highest Pressure 1030.1 hPa
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Lowest Pressure 966.5 hPa
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Frank Horan Slough Rainfall Forecast

Today 2 Nov
5%
Tue 3 Nov
95%
Wed 4 Nov
No Rain
Thu 5 Nov
No Rain
Fri 6 Nov
No Rain
Sat 7 Nov
No Rain
Sun 8 Nov
No Rain

Frank Horan Slough Rainfall Statistics

November Rainfall

Napa, Napa County Airport (9.9 miles)

Total Rainfall 2026
10.1 in
Daily Average 2026
0.03 in
Wettest Day 16 February, 2026
1.1 in
Wet Days 2026
35/306 (11%)
Total Rainfall October
0.4 in
Daily Average October
0.01 in
Wettest Day 22 October, 2026
0.3 in
Wet Days October
2/31 (6%)
Total Rainfall November
–
Daily Average November
–
Wettest Day 3 November, 2026
–
Wet Days November
–

Climate (2021–2025)

Napa, Napa County Airport (9.9 miles)

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Annual Average 2021–2025
19.9 in
Monthly Average 2021–2026
1.6 in
Daily Average 2021–2026
0.1 in
Wettest Day 13 December, 2021
2.3 in

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