Roche Harbor Airport

San Juan County, Washington, United States

Unlock Minute-by-Minute Forecast

See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.

Current Weather

19°

Mostly Cloudy

Feels Like: 15°

Min: 15°

Max: 22°

The next few hours will be mostly clear, with today reaching 22°C and dropping to 11°C. The coming days will be breezy overnight.

Does this forecast seem accurate?

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

20° 21° 22° 22° 21° 21° 21° 21° 21° 19° 19° 18° 17° 16° 16° 15° 15° 14° 13° 13° 11° 13° 13° 15° 16° 17° 17° 18° 17° 16° 16° 15° 14° 13° 14° 13° 12° 12° 11° 11° 11° 11° 11° 11° 13° 13° 14° 14°
5%
7%
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
Today
Tomorrow
Sunday

Daylight Hours

05:26

Sunrise

21:08

Sunset

15 hours 41 minutes of sunlight today

Moon

Waning Crescent

21% illuminated

01:14

Moonrise

Daily Forecast

Today

15°
22°

Saturday

11°
18°

Sunday

11°
16°

Monday

15°
17°

Tuesday

16°
19°

Wednesday

17°
21°

Thursday

19°
21°

Air Quality Data Available

Upgrade to access real-time air quality data for Roche Harbor Airport.

UV Index

No protection needed
2 Low
Low Extreme

Humidity

67% Comfortable
Low High

Frequently asked questions about weather in Roche Harbor Airport

How warm does it get in Roche Harbor Airport?

The warmest month in Roche Harbor Airport is August, with average high temperatures of 20°C. The average temperature during this period is around 18°C.

How cold does it get in Roche Harbor Airport?

The coldest month in Roche Harbor Airport is February, with average low temperatures of 3°C. The average temperature during this period is around 5°C.

What is the wettest time of year in Roche Harbor Airport?

The wettest month in Roche Harbor Airport is November, with an average of 206mm of precipitation.

What is the driest time of year in Roche Harbor Airport?

The driest month in Roche Harbor Airport is August, with an average of 20mm of precipitation.

View full climate insights for Roche Harbor Airport →

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)

Confirm