0.4in

Rain Today

Rain Last Hour
0.2in

Recorded at Hilo, Hilo International Airport Updated 31 mins ago (50 miles away)

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Real-Time Extremes

Hottest 89.5 °F
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Coldest 30.1 °F
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Windiest 30mph
Byron, CA
Wettest (Last Hour) 0.4in
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Most Humid 100%
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Least Humid 12%
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Highest Pressure 1044.7 hPa
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Lowest Pressure 986.8 hPa
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Punalu'u Beach Rainfall Forecast

Today 16 Sep
40%
Thu 17 Sep
60%
Fri 18 Sep
40%
Sat 19 Sep
25%
Sun 20 Sep
25%
Mon 21 Sep
15%
Tue 22 Sep
25%

Punalu'u Beach Rainfall Statistics

September Rainfall

Hilo, Hilo International Airport (49.7 miles)

Total Rainfall 2026
112.3in
Daily Average 2026
0.4in
Wettest Day 15 August, 2026
6.8in
Wet Days 2026
209/259 (81%)
Total Rainfall August
21in
Daily Average August
0.7in
Wettest Day 15 August, 2026
6.8in
Wet Days August
27/31 (87%)
Total Rainfall September
6.6in
Daily Average September
0.5in
Wettest Day 10 September, 2026
1.8in
Wet Days September
13/16 (81%)

Climate (2021–2025)

Hilo, Hilo International Airport (49.7 miles)

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Annual Average 2021–2025
99.9in
Monthly Average 2021–2026
8.6in
Daily Average 2021–2026
0.3in
Wettest Day 18 February, 2023
11.1in

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