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Lynden weather

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Lynden weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Lynden…

Lynden weather in numbers

measured normals and 10 years of recorded weather

Lynden swings 45°F across the year, from 76°F highs in August to 31°F lows in December, and November is usually the wettest month in a year that brings about 52 in of precipitation. Over 10 years of recorded weather it averages 36 days a year at 77°F or above, 8 of them at 86°F or above, 62 frost nights, and rain on 168 days.

Warmest month
August
76°F average high
Coldest month
December
31°F average low
Wettest month
November
52 in a year
Comfortable
4 months
May, June, July and August
Residents
14,000
share this forecast
Warm days
36 days
a year at 77°F or above
Frost nights
62 nights
a year below 32°F
Rain days
168 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Lynden’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 Lynden and nearby towns.Live rain radar →
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Lynden 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

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Lynden 10-day forecast, out to 14 days

where the models agree, and where they split

Lynden, Washington (WA) is at its warmest in Aug (average highs near 76°F) and coldest in Dec (lows around 31°F), with roughly 52 in of precipitation across the year. Below, compare what NWS, American, European forecast for Lynden 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.

Lynden climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
42°
32°
Feb
44°
33°
Mar
51°
34°
Apr
55°
39°
May
64°
45°
Jun
69°
50°
Jul
75°
52°
Aug
76°
54°
Sep
69°
50°
Oct
58°
44°
Nov
48°
38°
Dec
40°
31°

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

How the weather around Lynden has changed since 1995

Lynden sits in the same roughly 50 km square of NASA's reanalysis as Bellingham. That square shows no clear change in temperature between 1995-2004 and 2015-2024. See the full 30-year picture on the Bellingham 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)
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AmericanNOAA GFS
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EuropeanECMWF
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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 Lynden today?
On this page we show what NWS, American, European each forecast for Lynden 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 Lynden today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Lynden 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 Lynden?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Lynden 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 Lynden?
August is typically the warmest month in Lynden, with average highs around 76°F.
How cold does Lynden get?
The coldest month in Lynden is December, when overnight lows average about 31°F.
How much rain does Lynden get?
Lynden sees roughly 52 in of precipitation a year, with November usually the wettest month.

Nearby

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