Saint Helen Weather in March
Average highs run from 35°F on March 1 to 47°F on March 31, and lows from 14°F to 24°F. Normal precipitation for the month is 1.83 in over about 9 wet days.
March day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
March at a glance
- Average high
- 41°F
- Average low
- 19°F
- Precipitation
- 1.83 in
- Snowfall
- 6.9 in
- Record high
- 85°FMar 21, 2012
- Record low
- -24°FMar 3, 2014
- Chance of a freeze
- 100%
- Daylight
- 11 h 11 min to 12 h 44 min
- Cloud cover
- 66%
- Humidity
- 82%
- Dew point
- 23°F
- Wind
- 7.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Mar 1 | 35°F | 14°F | 53°F 1992 | -23°F 1967 | 32% | 25% |
| Mar 2 | 35°F | 14°F | 54°F 1993 | -19°F 1980 | 32% | 24% |
| Mar 3 | 36°F | 14°F | 61°F 1974 | -24°F 2014 | 32% | 24% |
| Mar 4 | 36°F | 15°F | 68°F 2024 | -11°F 2019 | 32% | 23% |
| Mar 5 | 37°F | 15°F | 56°F 1983 | -17°F 2015 | 32% | 23% |
| Mar 6 | 37°F | 15°F | 60°F 2000 | -18°F 1972 | 31% | 22% |
| Mar 7 | 37°F | 16°F | 68°F 2000 | -13°F 1996 | 31% | 21% |
| Mar 8 | 38°F | 16°F | 74°F 2000 | -18°F 1986 | 31% | 21% |
| Mar 9 | 38°F | 16°F | 65°F 2026 | -12°F 2003 | 31% | 20% |
| Mar 10 | 39°F | 17°F | 59°F 1977 | -17°F 1972 | 31% | 20% |
| Mar 11 | 39°F | 17°F | 63°F 1973 | -10°F 1984 | 31% | 19% |
| Mar 12 | 39°F | 17°F | 67°F 2024 | -14°F 1984 | 31% | 19% |
| Mar 13 | 40°F | 18°F | 66°F 1990 | -6°F 2014 | 30% | 18% |
| Mar 14 | 40°F | 18°F | 73°F 1995 | -4°F 1992 | 30% | 17% |
| Mar 15 | 41°F | 19°F | 76°F 1990 | -3°F 1992 | 30% | 17% |
| Mar 16 | 41°F | 19°F | 72°F 2012 | -9°F 1998 | 30% | 16% |
| Mar 17 | 41°F | 19°F | 79°F 2012 | -1°F 1967 | 30% | 16% |
| Mar 18 | 42°F | 20°F | 79°F 2012 | -10°F 1967 | 30% | 15% |
| Mar 19 | 42°F | 20°F | 80°F 2012 | -11°F 1989 | 30% | 15% |
| Mar 20 | 43°F | 20°F | 81°F 2012 | -5°F 1965 | 31% | 15% |
| Mar 21 | 43°F | 21°F | 85°F 2012 | -8°F 1965 | 31% | 14% |
| Mar 22 | 43°F | 21°F | 70°F 2012 | -8°F 1989 | 31% | 14% |
| Mar 23 | 44°F | 21°F | 69°F 2012 | 0°F 2014 | 31% | 13% |
| Mar 24 | 44°F | 22°F | 66°F 1987 | -10°F 1974 | 31% | 13% |
| Mar 25 | 44°F | 22°F | 64°F 1986 | -16°F 1974 | 31% | 12% |
| Mar 26 | 45°F | 23°F | 70°F 2007 | -12°F 2014 | 32% | 12% |
| Mar 27 | 45°F | 23°F | 71°F 2007 | -5°F 1965 | 32% | 11% |
| Mar 28 | 46°F | 23°F | 66°F 1993 | 0°F 2011 | 32% | 11% |
| Mar 29 | 46°F | 24°F | 71°F 1986 | -8°F 1970 | 32% | 11% |
| Mar 30 | 46°F | 24°F | 71°F 2026 | 7°F 1969 | 33% | 10% |
| Mar 31 | 47°F | 24°F | 74°F 2010 | 1°F 1969 | 33% | 10% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- March 1
- sunrise 7:15 AM, sunset 6:26 PM
- March 31
- sunrise 7:20 AM, sunset 8:04 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00208800 (W Branch 3SE), public domain. Records: NOAA GHCN-Daily, station USW00094814, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.