Skip to main content
One weather site to rule them all
checkweather.io

Oak Harbor weather

Loading live data…

NWSNational Blend (NBM)
40°
Partly cloudy
Feels 36° · Wind 3 mph · Humidity 96%
AmericanNOAA GFS
42°
Mainly clear
Feels 37° · Wind 6 mph · Humidity 85%
EuropeanECMWF
42°
Overcast
Feels 37° · Wind 5 mph · Humidity 86%

Latest for Oak Harbor: NWS (National Blend (NBM)): 40° Partly cloudy · American (NOAA GFS): 42° Mainly clear · European (ECMWF): 42° Overcast.

CheckWeather.io on iPhoneFree. No ads, no account.

Oak Harbor weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Oak Harbor…

Oak Harbor weather in numbers

measured normals and 10 years of recorded weather

Oak Harbor swings 31°F across the year, from 69°F highs in July to 38°F lows in January, and November is usually the wettest month in a year that brings about 27 in of precipitation. Over 10 years of recorded weather it averages 5 days a year at 77°F or above, 12 frost nights, and rain on 151 days.

Warmest month
July
69°F average high
Coldest month
January
38°F average low
Wettest month
November
27 in a year
Comfortable
4 months
June, July, August and September
Residents
23,000
share this forecast
Warm days
5 days
a year at 77°F or above
Frost nights
12 nights
a year below 32°F
Rain days
151 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Oak Harbor’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

NWS, American, European side by side around Oak Harbor and nearby towns.Live rain radar →
Loading the three model maps…

Oak Harbor hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

Loading the three models…

Oak Harbor 10-day forecast, out to 14 days

where the models agree, and where they split

Oak Harbor, Washington (WA) is at its warmest in Jul (average highs near 69°F) and coldest in Jan (lows around 38°F), with roughly 27 in of precipitation across the year. Below, compare what NWS, American, European forecast for Oak Harbor right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Oak Harbor climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
44°
38°
Feb
46°
38°
Mar
49°
40°
Apr
53°
44°
May
59°
48°
Jun
64°
53°
Jul
69°
54°
Aug
69°
56°
Sep
64°
54°
Oct
58°
49°
Nov
50°
43°
Dec
45°
38°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Oak Harbor has changed since 1995

Oak Harbor sits in the same roughly 50 km square of NASA's reanalysis as Mount Vernon. That square shows no clear change in temperature between 1995-2004 and 2015-2024. See the full 30-year picture on the Mount Vernon page.

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
91±0.9°F97±1.1 mph9396% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #2
83±1.7°F94±2.0 mph7184% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
Loading ratings…
AmericanNOAA GFS
Loading ratings…
EuropeanECMWF
Loading ratings…

One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in Oak Harbor today?
On this page we show what NWS, American, European each forecast for Oak Harbor today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Oak Harbor today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Oak Harbor and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Oak Harbor?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Oak Harbor forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Oak Harbor?
July is typically the warmest month in Oak Harbor, with average highs around 69°F.
How cold does Oak Harbor get?
The coldest month in Oak Harbor is January, when overnight lows average about 38°F.
How much rain does Oak Harbor get?
Oak Harbor sees roughly 27 in of precipitation a year, with November usually the wettest month.

Nearby

More US weather