HIllcrest Knolls Rainfall Forecast

Today 20 Dec
95%
Sun 21 Dec
95%
Mon 22 Dec
90%
Tue 23 Dec
95%
Wed 24 Dec
90%
Thu 25 Dec
90%
Fri 26 Dec
65%

HIllcrest Knolls Rainfall Statistics

December Rainfall

Hayward, Hayward Air Terminal (3.1 miles)

Total Rainfall 2025
12.9in
Daily Average 2025
0.04in
Wettest Day 13 February, 2025
1.9in
Wet Days 2025
49/354 (14%)
Total Rainfall November
3.4in
Daily Average November
0.1in
Wettest Day 13 November, 2025
1.5in
Wet Days November
7/30 (23%)
Total Rainfall December
0.2in
Daily Average December
0.01in
Wettest Day 17 December, 2025
0.2in
Wet Days December
1/20 (5%)

Climate (2010–Present)

Hayward, Hayward Air Terminal (3.1 miles)

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Annual Average 2020–2024
17.6in
Monthly Average 2020–2025
1.6in
Daily Average 2020–2025
0.1in
Wettest Day 31 December, 2022
4.3in

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