Johnston County climate

Johnston County Weather in March

NOAA 1991-2020 normals for Smithfield, 2 km from Johnston County

Average highs run from 60°F on March 1 to 69°F on March 31, and lows from 36°F to 43°F. Normal precipitation for the month is 4.01 in over about 11 wet days.

March day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Johnston County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
65°F
Average low
39°F
Precipitation
4.01 in
Record high
90°FMar 17, 1945
Record low
9°FMar 1, 1937
Chance of a freeze
92%
Daylight
11 h 26 min to 12 h 33 min
Cloud cover
57%
Humidity
79%
Dew point
43°F
Wind
8.3 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Mar 160°F36°F86°F 19189°F 193735%0%
Mar 260°F36°F82°F 197615°F 198035%0%
Mar 361°F36°F86°F 197615°F 198035%0%
Mar 461°F37°F87°F 197610°F 198035%0%
Mar 561°F37°F83°F 192311°F 192735%0%
Mar 662°F37°F83°F 191812°F 192635%0%
Mar 762°F37°F88°F 197418°F 196035%0%
Mar 862°F38°F88°F 197416°F 192035%0%
Mar 962°F38°F86°F 197419°F 199635%0%
Mar 1063°F38°F84°F 197418°F 196035%0%
Mar 1163°F38°F89°F 202619°F 196034%0%
Mar 1263°F38°F84°F 199018°F 193434%0%
Mar 1363°F39°F89°F 199015°F 202234%0%
Mar 1464°F39°F87°F 191815°F 192634%0%
Mar 1564°F39°F87°F 197321°F 194134%0%
Mar 1664°F39°F88°F 201621°F 193234%0%
Mar 1765°F40°F90°F 194522°F 191634%0%
Mar 1865°F40°F84°F 194520°F 196734%0%
Mar 1965°F40°F87°F 194519°F 196734%0%
Mar 2066°F40°F88°F 202023°F 199334%0%
Mar 2166°F40°F88°F 193516°F 196534%0%
Mar 2266°F41°F89°F 192120°F 196534%0%
Mar 2367°F41°F84°F 201123°F 198634%0%
Mar 2467°F41°F88°F 192924°F 194034%0%
Mar 2567°F41°F87°F 192918°F 194034%0%
Mar 2668°F42°F88°F 192916°F 194033%0%
Mar 2768°F42°F88°F 192120°F 195533%0%
Mar 2868°F42°F88°F 202023°F 201433%0%
Mar 2969°F42°F87°F 198524°F 194733%0%
Mar 3069°F43°F87°F 194525°F 201533%0%
Mar 3169°F43°F88°F 198612°F 202233%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Johnston County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

March 1
sunrise 6:43 AM, sunset 6:09 PM
March 31
sunrise 7:01 AM, sunset 7:34 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00317994 (Smithfield), public domain. Records: NOAA GHCN-Daily, station USC00317994, 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.