0in

Rain Today

Rain Last Hour
0in

Recorded at Hilo, Hilo International Airport Updated 20 mins ago (18.5 miles away)

Get WillyWeather+ to remove ads

Real-Time Extremes

Hottest 89.5 °F
Point Salines International Airport, VI
Coldest 26.5 °F
Mammoth Yosemite Airport, CA
Windiest 36.9mph
Mount Washington, NH
Wettest (Last Hour) 0.6in
Marshalltown, Marshalltown Municipal Airport, IA
Most Humid 100%
Hotel (Gurley), NE
Least Humid 28%
Mercury, Desert Rock Airport, NV
Highest Pressure 1042.3 hPa
Salida - Monarch Pass, CO
Lowest Pressure 984.4 hPa
Shenandoah Municipal, IA

Trending Locations

Get WillyWeather+ to remove ads

Fern Forest Rainfall Forecast

Today 18 Sep
70%
Sat 19 Sep
55%
Sun 20 Sep
50%
Mon 21 Sep
70%
Tue 22 Sep
80%
Wed 23 Sep
80%
Thu 24 Sep
75%

Fern Forest Rainfall Statistics

September Rainfall

Hilo, Hilo International Airport (18 miles)

Total Rainfall 2026
113in
Daily Average 2026
0.4in
Wettest Day 15 August, 2026
6.8in
Wet Days 2026
209/261 (80%)
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
0.4in
Wettest Day 10 September, 2026
1.8in
Wet Days September
13/18 (72%)

Climate (2021–2025)

Hilo, Hilo International Airport (18 miles)

Take a look at our website widgetsAvailable free! Find Out More

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

Get WillyWeather+ to remove ads