0in

Rain Today

Rain Last Hour
0in

Recorded at Corona Airport Updated 7 mins ago (13.4 miles away)

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Real-Time Extremes

Hottest 84.1 °F
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Coldest -50.9 °F
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Windiest 78.3mph
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Wettest (Last Hour) 0.1in
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Most Humid 100%
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Least Humid 29%
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Highest Pressure 1034.5 hPa
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Lowest Pressure 991.9 hPa
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Portola Hills Rainfall Forecast

Today 2 Jan
35%
Sat 3 Jan
80%
Sun 4 Jan
70%
Mon 5 Jan
35%
Tue 6 Jan
35%
Wed 7 Jan
25%
Thu 8 Jan
15%

Portola Hills Rainfall Statistics

January Rainfall

Corona Airport (13 miles)

Total Rainfall 2026
–
Daily Average 2026
–
Wettest Day 2 January, 2026
–
Wet Days 2026
–
Total Rainfall December
1in
Daily Average December
0.03in
Wettest Day 24 December, 2025
0.8in
Wet Days December
3/31 (10%)
Total Rainfall January
–
Daily Average January
–
Wettest Day 2 January, 2026
–
Wet Days January
–

Climate (2010–Present)

Corona Airport (13 miles)

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Annual Average 2021–2025
3.5in
Monthly Average 2021–2025
0.3in
Daily Average 2021–2025
0.01in
Wettest Day 4 February, 2022
1in

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