Rockcreek climate

Rockcreek Weather in March

NOAA 1991-2020 normals for Portland-Hillsboro AP, 5.7 km from Rockcreek

Average highs run from 54°F on March 1 to 58°F on March 31, and lows from 35°F to 38°F. Normal precipitation for the month is 3.70 in over about 18 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 Rockcreek, in °F, with the record for each date.20406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
56°F
Average low
37°F
Precipitation
3.70 in
Record high
79°FMar 25, 2025
Record low
20°FMar 5, 2019
Chance of a freeze
99%
Daylight
11 h 09 min to 12 h 46 min
Cloud cover
76%
Humidity
89%
Dew point
40°F
Wind
5.1 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 154°F35°F63°F 202523°F 202358%1%
Mar 254°F35°F62°F 202624°F 201958%1%
Mar 354°F35°F62°F 200226°F 200158%1%
Mar 454°F35°F61°F 200222°F 201958%1%
Mar 554°F35°F65°F 200120°F 201959%1%
Mar 655°F35°F69°F 200125°F 202459%1%
Mar 755°F35°F69°F 200525°F 201259%1%
Mar 855°F36°F73°F 200427°F 201959%1%
Mar 955°F36°F70°F 200526°F 202059%1%
Mar 1055°F36°F74°F 200524°F 201959%1%
Mar 1155°F36°F76°F 200523°F 201959%1%
Mar 1256°F36°F70°F 201824°F 200959%1%
Mar 1356°F36°F68°F 200525°F 200959%1%
Mar 1456°F36°F66°F 200529°F 201059%1%
Mar 1556°F37°F70°F 202426°F 202159%1%
Mar 1656°F37°F75°F 202424°F 202159%0%
Mar 1756°F37°F75°F 202426°F 202059%0%
Mar 1856°F37°F77°F 202428°F 200259%0%
Mar 1956°F37°F73°F 201926°F 200659%0%
Mar 2057°F37°F75°F 201928°F 200159%0%
Mar 2157°F37°F70°F 200428°F 200759%0%
Mar 2257°F37°F71°F 200428°F 200159%0%
Mar 2357°F37°F68°F 200128°F 202159%0%
Mar 2457°F38°F69°F 202527°F 200359%0%
Mar 2557°F38°F79°F 202528°F 200859%0%
Mar 2657°F38°F77°F 202528°F 202659%0%
Mar 2757°F38°F69°F 201530°F 202659%0%
Mar 2857°F38°F68°F 200432°F 200759%0%
Mar 2957°F38°F77°F 200429°F 200058%0%
Mar 3058°F38°F76°F 201327°F 202158%0%
Mar 3158°F38°F75°F 201628°F 202158%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Rockcreek, in percent, and of at least 0.1 inch of snowfall.02040601102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

March 1
sunrise 6:50 AM, sunset 5:59 PM
March 31
sunrise 6:53 AM, sunset 7:39 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094261 (Portland-Hillsboro AP), public domain. Records: NOAA GHCN-Daily, station USW00094261, 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.