Heppner Weather in March
Average highs run from 51°F on March 1 to 58°F on March 31, and lows from 31°F to 36°F. Normal precipitation for the month is 1.36 in over about 12 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
- 55°F
- Average low
- 34°F
- Precipitation
- 1.36 in
- Snowfall
- 0.9 in
- Record high
- 81°FMar 27, 2025
- Record low
- 3°FMar 13, 1906
- Chance of a freeze
- 100%
- Daylight
- 11 h 10 min to 12 h 45 min
- Cloud cover
- 69%
- Humidity
- 66%
- Dew point
- 31°F
- Wind
- 9.4 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 | 51°F | 31°F | 70°F 1925 | 9°F 1911 | 37% | 5% |
| Mar 2 | 51°F | 31°F | 72°F 1994 | 6°F 1917 | 37% | 5% |
| Mar 3 | 51°F | 31°F | 67°F 1968 | 10°F 1989 | 37% | 5% |
| Mar 4 | 52°F | 32°F | 77°F 1968 | 14°F 1960 | 37% | 5% |
| Mar 5 | 52°F | 32°F | 70°F 1972 | 6°F 2019 | 37% | 5% |
| Mar 6 | 52°F | 32°F | 71°F 1979 | 14°F 1943 | 37% | 4% |
| Mar 7 | 53°F | 32°F | 70°F 1906 | 19°F 2009 | 37% | 4% |
| Mar 8 | 53°F | 32°F | 72°F 2004 | 21°F 1974 | 37% | 4% |
| Mar 9 | 53°F | 32°F | 71°F 2005 | 15°F 1948 | 37% | 4% |
| Mar 10 | 53°F | 33°F | 73°F 1953 | 12°F 1948 | 37% | 4% |
| Mar 11 | 54°F | 33°F | 75°F 2015 | 13°F 1948 | 38% | 3% |
| Mar 12 | 54°F | 33°F | 74°F 2007 | 10°F 1906 | 38% | 3% |
| Mar 13 | 54°F | 33°F | 70°F 1935 | 3°F 1906 | 38% | 3% |
| Mar 14 | 55°F | 33°F | 72°F 1934 | 6°F 1906 | 38% | 3% |
| Mar 15 | 55°F | 34°F | 70°F 1934 | 4°F 1906 | 38% | 3% |
| Mar 16 | 55°F | 34°F | 73°F 1972 | 4°F 1906 | 38% | 3% |
| Mar 17 | 55°F | 34°F | 74°F 1978 | 3°F 1906 | 38% | 3% |
| Mar 18 | 55°F | 34°F | 73°F 2007 | 13°F 1965 | 38% | 2% |
| Mar 19 | 56°F | 34°F | 72°F 2024 | 16°F 1965 | 38% | 2% |
| Mar 20 | 56°F | 34°F | 78°F 2026 | 7°F 1913 | 38% | 2% |
| Mar 21 | 56°F | 35°F | 72°F 1947 | 18°F 1913 | 38% | 2% |
| Mar 22 | 56°F | 35°F | 73°F 1911 | 12°F 1898 | 38% | 2% |
| Mar 23 | 57°F | 35°F | 75°F 1960 | 21°F 1898 | 39% | 2% |
| Mar 24 | 57°F | 35°F | 74°F 1939 | 13°F 1965 | 39% | 1% |
| Mar 25 | 57°F | 35°F | 76°F 1939 | 10°F 1913 | 38% | 1% |
| Mar 26 | 57°F | 35°F | 78°F 1960 | 19°F 1913 | 38% | 1% |
| Mar 27 | 57°F | 35°F | 81°F 2025 | 11°F 1944 | 38% | 1% |
| Mar 28 | 57°F | 36°F | 74°F 2015 | 18°F 1975 | 38% | 1% |
| Mar 29 | 58°F | 36°F | 79°F 2004 | 13°F 1954 | 38% | 1% |
| Mar 30 | 58°F | 36°F | 75°F 1911 | 18°F 1954 | 38% | 1% |
| Mar 31 | 58°F | 36°F | 80°F 2003 | 23°F 1936 | 38% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- March 1
- sunrise 6:36 AM, sunset 5:46 PM
- March 31
- sunrise 6:40 AM, sunset 7:25 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00353827 (Heppner), public domain. Records: NOAA GHCN-Daily, station USC00353827, 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.