Friday Harbor climate

Friday Harbor Weather in March

NOAA 1991-2020 normals for Friday Harbor AP, 1.4 km from Friday Harbor

Average highs run from 50°F on March 1 to 55°F on March 31, and lows from 37°F to 40°F. Normal precipitation for the month is 1.35 in over about 14 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 Friday Harbor, in °F, with the record for each date.020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
53°F
Average low
38°F
Precipitation
1.35 in
Snowfall
0.1 in
Record high
76°FMar 17, 2024
Record low
19°FMar 10, 2009
Chance of a freeze
77%
Daylight
11 h 03 min to 12 h 50 min
Cloud cover
76%
Humidity
82%
Dew point
40°F
Wind
7.6 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 150°F37°F65°F 202526°F 200747%1%
Mar 250°F37°F58°F 201029°F 201947%1%
Mar 350°F37°F58°F 200529°F 200247%1%
Mar 451°F37°F56°F 200525°F 201947%1%
Mar 551°F37°F60°F 201627°F 199947%1%
Mar 651°F37°F62°F 200723°F 200947%1%
Mar 751°F37°F59°F 200524°F 200247%1%
Mar 851°F38°F61°F 200424°F 200247%1%
Mar 952°F38°F63°F 201226°F 202247%1%
Mar 1052°F38°F67°F 201219°F 200947%1%
Mar 1152°F38°F67°F 201223°F 200947%1%
Mar 1252°F38°F66°F 201825°F 200947%1%
Mar 1352°F38°F67°F 201228°F 200947%1%
Mar 1452°F38°F59°F 201730°F 202047%0%
Mar 1553°F38°F59°F 200329°F 199947%0%
Mar 1653°F39°F61°F 201028°F 202146%0%
Mar 1753°F39°F76°F 202425°F 200246%0%
Mar 1853°F39°F64°F 201930°F 200246%0%
Mar 1953°F39°F71°F 201928°F 201246%0%
Mar 2053°F39°F68°F 201927°F 200245%0%
Mar 2154°F39°F59°F 200428°F 200945%0%
Mar 2254°F39°F63°F 201929°F 201245%0%
Mar 2354°F39°F59°F 200631°F 201345%0%
Mar 2454°F39°F60°F 201129°F 200344%0%
Mar 2554°F39°F65°F 202530°F 201844%0%
Mar 2654°F40°F64°F 201530°F 200944%0%
Mar 2754°F40°F67°F 200733°F 199843%0%
Mar 2855°F40°F63°F 201933°F 200343%0%
Mar 2955°F40°F71°F 200429°F 200043%0%
Mar 3055°F40°F63°F 201530°F 199942%0%
Mar 3155°F40°F65°F 201627°F 200842%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Friday Harbor, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

March 1
sunrise 6:53 AM, sunset 5:56 PM
March 31
sunrise 6:52 AM, sunset 7:42 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094276 (Friday Harbor AP), public domain. Records: NOAA GHCN-Daily, station USW00094276, 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.