Boise County Weather in March
Average highs run from 44°F on March 1 to 51°F on March 31, and lows from 18°F to 25°F. Normal precipitation for the month is 2.26 in over about 10 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
- 48°F
- Average low
- 22°F
- Precipitation
- 2.26 in
- Snowfall
- 10.6 in
- Record high
- 83°FMar 20, 2026
- Record low
- 6°FMar 1, 1971
- Chance of a freeze
- 100%
- Daylight
- 11 h 13 min to 12 h 43 min
- Cloud cover
- 69%
- Humidity
- 84%
- Dew point
- 24°F
- Wind
- 4.5 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 | 44°F | 18°F | 66°F 1992 | 6°F 1971 | 30% | 25% |
| Mar 2 | 44°F | 19°F | 68°F 2009 | 13°F 1954 | 30% | 25% |
| Mar 3 | 45°F | 19°F | 66°F 1994 | 14°F 1966 | 30% | 24% |
| Mar 4 | 45°F | 19°F | 70°F 1987 | 11°F 1976 | 30% | 24% |
| Mar 5 | 45°F | 19°F | 71°F 2020 | 10°F 1955 | 30% | 24% |
| Mar 6 | 45°F | 20°F | 66°F 2020 | 16°F 1955 | 31% | 24% |
| Mar 7 | 46°F | 20°F | 66°F 1954 | 20°F 2009 | 31% | 23% |
| Mar 8 | 46°F | 20°F | 68°F 2005 | 21°F 1964 | 31% | 23% |
| Mar 9 | 46°F | 20°F | 76°F 1972 | 18°F 1951 | 31% | 23% |
| Mar 10 | 46°F | 21°F | 71°F 2015 | 14°F 2022 | 31% | 23% |
| Mar 11 | 47°F | 21°F | 69°F 2005 | 17°F 1956 | 31% | 22% |
| Mar 12 | 47°F | 21°F | 72°F 2007 | 13°F 1952 | 31% | 22% |
| Mar 13 | 47°F | 21°F | 73°F 1992 | 19°F 1944 | 31% | 22% |
| Mar 14 | 47°F | 22°F | 75°F 1992 | 13°F 1944 | 31% | 21% |
| Mar 15 | 48°F | 22°F | 73°F 1994 | 18°F 1955 | 31% | 21% |
| Mar 16 | 48°F | 22°F | 69°F 2007 | 20°F 1988 | 31% | 21% |
| Mar 17 | 48°F | 22°F | 75°F 2007 | 15°F 1965 | 31% | 21% |
| Mar 18 | 48°F | 23°F | 80°F 2026 | 8°F 1965 | 31% | 20% |
| Mar 19 | 49°F | 23°F | 80°F 1997 | 9°F 1965 | 31% | 20% |
| Mar 20 | 49°F | 23°F | 83°F 2026 | 17°F 1965 | 31% | 20% |
| Mar 21 | 49°F | 23°F | 73°F 1963 | 21°F 1955 | 31% | 20% |
| Mar 22 | 49°F | 24°F | 71°F 1960 | 18°F 1966 | 31% | 20% |
| Mar 23 | 50°F | 24°F | 73°F 2004 | 19°F 1994 | 32% | 19% |
| Mar 24 | 50°F | 24°F | 75°F 2026 | 14°F 1965 | 32% | 19% |
| Mar 25 | 50°F | 24°F | 75°F 2012 | 20°F 1965 | 32% | 19% |
| Mar 26 | 50°F | 24°F | 81°F 2025 | 19°F 1942 | 32% | 19% |
| Mar 27 | 50°F | 25°F | 77°F 2015 | 14°F 1944 | 32% | 19% |
| Mar 28 | 51°F | 25°F | 76°F 1943 | 17°F 1944 | 32% | 18% |
| Mar 29 | 51°F | 25°F | 81°F 1978 | 20°F 1949 | 32% | 18% |
| Mar 30 | 51°F | 25°F | 79°F 2004 | 17°F 1954 | 32% | 18% |
| Mar 31 | 51°F | 25°F | 77°F 2012 | 22°F 1988 | 32% | 17% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- March 1
- sunrise 7:19 AM, sunset 6:32 PM
- March 31
- sunrise 7:26 AM, sunset 8:09 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00104442 (Idaho City), public domain. Records: NOAA GHCN-Daily, station USW00024131, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.