Johnston climate

Johnston Weather in March

NOAA 1991-2020 normals for Johnston 4 Sw, 7.4 km from Johnston

Average highs run from 63°F on March 1 to 71°F on March 31, and lows from 38°F to 45°F. Normal precipitation for the month is 4.51 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, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
67°F
Average low
41°F
Precipitation
4.51 in
Snowfall
0.2 in
Record high
93°FMar 23, 1907
Record low
13°FMar 1, 2002
Chance of a freeze
91%
Daylight
11 h 28 min to 12 h 31 min
Cloud cover
57%
Humidity
79%
Dew point
46°F
Wind
5.4 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Mar 163°F38°F86°F 191813°F 200236%0%
Mar 263°F38°F85°F 195118°F 191436%0%
Mar 363°F38°F85°F 197620°F 197535%0%
Mar 464°F38°F85°F 197616°F 194335%0%
Mar 564°F38°F85°F 199718°F 196035%0%
Mar 664°F39°F84°F 196118°F 196035%0%
Mar 764°F39°F83°F 190822°F 196635%0%
Mar 865°F39°F85°F 190821°F 192035%0%
Mar 965°F39°F85°F 197415°F 199634%0%
Mar 1065°F39°F88°F 197418°F 193234%0%
Mar 1166°F40°F87°F 192522°F 196934%0%
Mar 1266°F40°F87°F 199020°F 196934%0%
Mar 1366°F40°F86°F 199017°F 199834%0%
Mar 1466°F40°F86°F 191823°F 199334%0%
Mar 1567°F41°F85°F 190814°F 199334%0%
Mar 1667°F41°F90°F 190822°F 191634%0%
Mar 1767°F41°F89°F 194525°F 198833%0%
Mar 1867°F41°F90°F 194524°F 194133%0%
Mar 1968°F42°F88°F 190819°F 198533%0%
Mar 2068°F42°F90°F 190725°F 198533%0%
Mar 2168°F42°F89°F 193523°F 196533%0%
Mar 2269°F42°F92°F 190724°F 198632%0%
Mar 2369°F43°F93°F 190721°F 198632%0%
Mar 2469°F43°F92°F 192922°F 198632%0%
Mar 2569°F43°F90°F 192925°F 195632%0%
Mar 2670°F43°F89°F 192924°F 198332%0%
Mar 2770°F44°F87°F 199420°F 195532%0%
Mar 2870°F44°F91°F 190724°F 200132%0%
Mar 2971°F44°F91°F 190728°F 195532%0%
Mar 3071°F44°F93°F 190730°F 196431%0%
Mar 3171°F45°F87°F 191025°F 196431%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Johnston, 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 6:56 AM, sunset 6:24 PM
March 31
sunrise 7:16 AM, sunset 7:47 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00384607 (Johnston 4 Sw), public domain. Records: NOAA GHCN-Daily, station USC00380074, 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.