0 in

Rain Today

Rain Last Hour
0 in

Recorded at Ontario International Airport Updated 1 hour 8 mins ago (8.5 miles away)

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Real-Time Extremes

Hottest 85.9 °F
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Coldest 6.7 °F
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Windiest 35.6 mph
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Wettest (Last Hour) 0.2 in
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Most Humid 100%
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Least Humid 15%
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Highest Pressure 1036.6 hPa
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Lowest Pressure 979.3 hPa
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Trending Locations

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Brentwood Rainfall Forecast

Today 12 Nov
25%
Fri 13 Nov
80%
Sat 14 Nov
40%
Sun 15 Nov
10%
Mon 16 Nov
75%
Tue 17 Nov
20%
Wed 18 Nov
5%

Brentwood Rainfall Statistics

November Rainfall

Ontario International Airport (8.1 miles)

Total Rainfall 2026
8.1 in
Daily Average 2026
0.03 in
Wettest Day 22 October, 2026
0.9 in
Wet Days 2026
29/316 (9%)
Total Rainfall October
2.2 in
Daily Average October
0.1 in
Wettest Day 22 October, 2026
0.9 in
Wet Days October
7/31 (23%)
Total Rainfall November
0.3 in
Daily Average November
0.03 in
Wettest Day 1 November, 2026
0.3 in
Wet Days November
1/12 (8%)

Climate (2021–2025)

Ontario International Airport (8.1 miles)

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Annual Average 2021–2025
13.5 in
Monthly Average 2021–2026
1.2 in
Daily Average 2021–2026
0.04 in
Wettest Day 5 February, 2024
3.6 in

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