Oak Harbor climate

Oak Harbor Weather in April

NOAA 1991-2020 normals for Whidbey Island Nas, 6.6 km from Oak Harbor

Average highs run from 57°F on April 1 to 60°F on April 30, and lows from 42°F to 45°F. Normal precipitation for the month is 1.69 in over about 13 wet days.

April day by day

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

Normal daily high and low temperature at Oak Harbor, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
58°F
Average low
43°F
Precipitation
1.69 in
Record high
81°FApr 30, 2004
Record low
25°FApr 2, 1935
Chance of a freeze
11%
Daylight
12 h 53 min to 14 h 30 min
Cloud cover
73%
Humidity
81%
Dew point
42°F
Wind
4.7 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
Apr 157°F42°F74°F 198726°F 193647%0%
Apr 257°F42°F68°F 199225°F 193547%0%
Apr 357°F42°F71°F 200426°F 193546%0%
Apr 457°F42°F73°F 196629°F 193646%0%
Apr 557°F42°F70°F 196629°F 189946%0%
Apr 657°F43°F71°F 200929°F 196746%0%
Apr 758°F43°F68°F 193827°F 193546%0%
Apr 858°F43°F70°F 195928°F 195245%0%
Apr 958°F43°F74°F 195931°F 192945%0%
Apr 1058°F43°F76°F 200429°F 193545%0%
Apr 1158°F43°F76°F 200431°F 192745%0%
Apr 1258°F43°F72°F 190428°F 196844%0%
Apr 1358°F43°F74°F 194329°F 196844%0%
Apr 1458°F43°F76°F 192631°F 197444%0%
Apr 1558°F43°F73°F 199931°F 189843%0%
Apr 1659°F43°F72°F 189730°F 189643%0%
Apr 1759°F43°F70°F 193627°F 196443%0%
Apr 1859°F44°F75°F 201630°F 190942%0%
Apr 1959°F44°F73°F 201627°F 192742%0%
Apr 2059°F44°F75°F 201626°F 195142%0%
Apr 2159°F44°F74°F 201628°F 195142%0%
Apr 2259°F44°F75°F 200533°F 196842%0%
Apr 2359°F44°F74°F 190533°F 195241%0%
Apr 2459°F44°F79°F 190532°F 195041%0%
Apr 2559°F44°F70°F 192632°F 195541%0%
Apr 2660°F45°F78°F 200432°F 196941%0%
Apr 2760°F45°F72°F 198729°F 194841%0%
Apr 2860°F45°F73°F 197631°F 197341%0%
Apr 2960°F45°F78°F 197630°F 197340%0%
Apr 3060°F45°F81°F 200428°F 195440%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Oak 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).

April 1
sunrise 6:48 AM, sunset 7:41 PM
April 30
sunrise 5:53 AM, sunset 8:23 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024255 (Whidbey Island Nas), public domain. Records: NOAA GHCN-Daily, station USC00451783, 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.