Thermopolis Weather in March
Average highs run from 47°F on March 1 to 59°F on March 31, and lows from 20°F to 30°F. Normal precipitation for the month is 0.85 in over about 4 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
- 54°F
- Average low
- 26°F
- Precipitation
- 0.85 in
- Snowfall
- 2.3 in
- Record high
- 84°FMar 20, 2026
- Record low
- -28°FMar 16, 1906
- Chance of a freeze
- 100%
- Daylight
- 11 h 13 min to 12 h 43 min
- Cloud cover
- 64%
- Humidity
- 57%
- Dew point
- 21°F
- Wind
- 8.9 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 | 47°F | 20°F | 66°F 1901 | -16°F 1922 | 13% | 7% |
| Mar 2 | 48°F | 20°F | 69°F 2009 | -14°F 1960 | 13% | 7% |
| Mar 3 | 48°F | 21°F | 69°F 1950 | -13°F 1954 | 13% | 7% |
| Mar 4 | 49°F | 21°F | 67°F 1925 | -15°F 1912 | 13% | 7% |
| Mar 5 | 49°F | 22°F | 70°F 1925 | -9°F 1939 | 13% | 7% |
| Mar 6 | 50°F | 22°F | 67°F 2016 | -9°F 1955 | 13% | 6% |
| Mar 7 | 50°F | 22°F | 65°F 1936 | -9°F 1908 | 13% | 6% |
| Mar 8 | 51°F | 23°F | 69°F 2026 | -9°F 1912 | 13% | 6% |
| Mar 9 | 51°F | 23°F | 73°F 2005 | -14°F 1932 | 13% | 6% |
| Mar 10 | 52°F | 24°F | 73°F 2005 | -14°F 2022 | 13% | 6% |
| Mar 11 | 52°F | 24°F | 72°F 2005 | -13°F 1956 | 13% | 6% |
| Mar 12 | 53°F | 24°F | 76°F 2007 | -13°F 1956 | 13% | 6% |
| Mar 13 | 53°F | 25°F | 75°F 2007 | -5°F 1963 | 14% | 6% |
| Mar 14 | 54°F | 25°F | 74°F 1935 | -22°F 1906 | 14% | 6% |
| Mar 15 | 54°F | 26°F | 74°F 1935 | -18°F 1906 | 14% | 6% |
| Mar 16 | 55°F | 26°F | 73°F 1916 | -28°F 1906 | 14% | 5% |
| Mar 17 | 55°F | 26°F | 75°F 1916 | -22°F 1906 | 14% | 5% |
| Mar 18 | 55°F | 27°F | 81°F 2026 | -12°F 1906 | 14% | 5% |
| Mar 19 | 56°F | 27°F | 83°F 2026 | -10°F 1906 | 14% | 5% |
| Mar 20 | 56°F | 27°F | 84°F 2026 | -11°F 1903 | 14% | 5% |
| Mar 21 | 56°F | 28°F | 83°F 2026 | -9°F 1912 | 14% | 5% |
| Mar 22 | 57°F | 28°F | 78°F 1910 | 8°F 1906 | 15% | 5% |
| Mar 23 | 57°F | 28°F | 77°F 2012 | 5°F 1933 | 15% | 5% |
| Mar 24 | 57°F | 28°F | 76°F 1939 | -3°F 1964 | 15% | 5% |
| Mar 25 | 58°F | 29°F | 82°F 2026 | -17°F 1955 | 15% | 5% |
| Mar 26 | 58°F | 29°F | 81°F 2026 | -11°F 1913 | 15% | 5% |
| Mar 27 | 58°F | 29°F | 78°F 2025 | -3°F 1955 | 16% | 5% |
| Mar 28 | 58°F | 30°F | 77°F 2015 | 10°F 1951 | 16% | 5% |
| Mar 29 | 59°F | 30°F | 77°F 2026 | 0°F 1962 | 16% | 5% |
| Mar 30 | 59°F | 30°F | 75°F 1956 | -1°F 1936 | 16% | 5% |
| Mar 31 | 59°F | 30°F | 80°F 2012 | 6°F 1936 | 16% | 5% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- March 1
- sunrise 6:49 AM, sunset 6:02 PM
- March 31
- sunrise 6:56 AM, sunset 7:39 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00488875 (Thermopolis), public domain. Records: NOAA GHCN-Daily, station USC00488875, 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.