Onslow County Weather in March
Average highs run from 62°F on March 1 to 70°F on March 31, and lows from 40°F to 47°F. Normal precipitation for the month is 3.79 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
- 66°F
- Average low
- 43°F
- Precipitation
- 3.79 in
- Record high
- 92°FMar 30, 1985
- Record low
- 12°FMar 4, 1980
- Chance of a freeze
- 88%
- Daylight
- 11 h 26 min to 12 h 32 min
- Cloud cover
- 57%
- Humidity
- 80%
- Dew point
- 45°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 | 62°F | 40°F | 82°F 1997 | 21°F 1980 | 33% | |
| Mar 2 | 63°F | 40°F | 85°F 1997 | 17°F 1980 | 33% | |
| Mar 3 | 63°F | 40°F | 87°F 1976 | 14°F 1980 | 33% | |
| Mar 4 | 63°F | 40°F | 85°F 1956 | 12°F 1980 | 33% | |
| Mar 5 | 63°F | 41°F | 83°F 1961 | 23°F 2002 | 32% | |
| Mar 6 | 64°F | 41°F | 82°F 1961 | 22°F 1960 | 32% | |
| Mar 7 | 64°F | 41°F | 85°F 1974 | 18°F 1960 | 32% | |
| Mar 8 | 64°F | 41°F | 88°F 1974 | 25°F 1968 | 32% | |
| Mar 9 | 64°F | 41°F | 85°F 2009 | 22°F 1960 | 32% | |
| Mar 10 | 64°F | 42°F | 84°F 1974 | 24°F 1996 | 32% | |
| Mar 11 | 65°F | 42°F | 86°F 2015 | 26°F 1972 | 32% | |
| Mar 12 | 65°F | 42°F | 89°F 1990 | 25°F 1998 | 32% | |
| Mar 13 | 65°F | 42°F | 90°F 1990 | 20°F 1998 | 32% | |
| Mar 14 | 65°F | 43°F | 86°F 1985 | 23°F 1960 | 32% | |
| Mar 15 | 66°F | 43°F | 87°F 1967 | 23°F 1993 | 32% | |
| Mar 16 | 66°F | 43°F | 85°F 1955 | 22°F 2017 | 32% | 0% |
| Mar 17 | 66°F | 43°F | 84°F 2015 | 24°F 2017 | 32% | 0% |
| Mar 18 | 66°F | 43°F | 84°F 2011 | 25°F 1967 | 32% | 0% |
| Mar 19 | 66°F | 44°F | 84°F 2022 | 24°F 1967 | 32% | 0% |
| Mar 20 | 67°F | 44°F | 84°F 2020 | 29°F 1959 | 32% | 0% |
| Mar 21 | 67°F | 44°F | 86°F 1968 | 25°F 2023 | 32% | 0% |
| Mar 22 | 67°F | 44°F | 86°F 1995 | 26°F 1965 | 32% | 0% |
| Mar 23 | 67°F | 45°F | 87°F 2011 | 26°F 1996 | 32% | 0% |
| Mar 24 | 68°F | 45°F | 85°F 1975 | 27°F 1996 | 32% | 0% |
| Mar 25 | 68°F | 45°F | 85°F 2023 | 28°F 1972 | 32% | 0% |
| Mar 26 | 68°F | 46°F | 82°F 2021 | 28°F 1983 | 31% | 0% |
| Mar 27 | 69°F | 46°F | 87°F 2020 | 25°F 2014 | 31% | 0% |
| Mar 28 | 69°F | 46°F | 89°F 2020 | 28°F 2001 | 31% | 0% |
| Mar 29 | 69°F | 46°F | 89°F 1985 | 27°F 2015 | 31% | 0% |
| Mar 30 | 69°F | 47°F | 92°F 1985 | 30°F 1955 | 31% | 0% |
| Mar 31 | 70°F | 47°F | 86°F 1986 | 25°F 1964 | 31% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- March 1
- sunrise 6:39 AM, sunset 6:05 PM
- March 31
- sunrise 6:58 AM, sunset 7:30 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00093727 (New River Mcaf), public domain. Records: NOAA GHCN-Daily, station USW00093727, 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.