0in

Rain Today

Rain Last Hour
0in

Recorded at Southwest Washington Regional Airport Updated 26 mins ago (33.8 miles away)

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Real-Time Extremes

Hottest 93.1 °F
Majuro Atoll - NWS Office, HI
Coldest -32.9 °F
Wekweeti Airport, Canada, AK
Windiest 45mph
Mount Washington, NH
Wettest (Last Hour) 0.3in
Indianapolis International Airport, IN
Most Humid 100%
Van Wert County Airport, OH
Least Humid 4%
Hobbs / Lea County, NM
Highest Pressure 1030 hPa
Bermuda, NC
Lowest Pressure 966 hPa
Godthaab / Nuuk, ME

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Mount St Helens Rainfall Forecast

Today 3 Mar
100%
Wed 4 Mar
100%
Thu 5 Mar
95%
Fri 6 Mar
90%
Sat 7 Mar
80%
Sun 8 Mar
85%
Mon 9 Mar
90%

Mount St Helens Rainfall Statistics

March Rainfall

Southwest Washington Regional Airport (33.6 miles)

Total Rainfall 2026
7.3in
Daily Average 2026
0.1in
Wettest Day 7 January, 2026
0.9in
Wet Days 2026
33/62 (53%)
Total Rainfall February
3.8in
Daily Average February
0.1in
Wettest Day 8 February, 2026
0.5in
Wet Days February
18/28 (64%)
Total Rainfall March
0in
Daily Average March
0in
Wettest Day 1 March, 2026
0in
Wet Days March
–

Climate (2010–Present)

Southwest Washington Regional Airport (33.6 miles)

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Annual Average 2021–2025
39.7in
Monthly Average 2021–2026
3.2in
Daily Average 2021–2026
0.1in
Wettest Day 4 November, 2022
4.2in

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