Cosmopolis, WA Weather Forecast

Local 7-day forecast

71°

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Cosmopolis, WA in one place.

Tuesday, July 14, 2026

Wind: 0 to 9 mph NW

Tuesday

Sunny, with a high near 71.

Local 7-day forecast

Local Weather Overview

This forecast page for Cosmopolis, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 12, 2026 1:16 AM PDT.

The active forecast window currently covers Jul 14 to Jul 18, 2026 for Cosmopolis, WA.

Page Snapshot

Page focus: city weather
Forecast window: Jul 14 to Jul 18, 2026
Latest sync: Jul 12, 2026 1:16 AM PDT
Forecast office: SEW
Source: NOAA / NWS

Next High

71°F

Tuesday

Next Low

51°F

Tuesday Night

Rain Outlook

Periods mentioning precipitation

Windiest

2 to 10 mph

Wednesday

Daily Outlook

Today

Jul 14

Sunny

71 °F

/ 51°F

Wind 0 to 9 mph

Wed

Jul 15

Patchy Fog then Mostly Sunny

68 °F

/ 53°F

Wind 2 to 10 mph

Thu

Jul 16

Partly Sunny

66 °F

/ 53°F

Wind 3 to 9 mph

Fri

Jul 17

Mostly Sunny

72 °F

/ 53°F

Wind 2 to 8 mph

Sat

Jul 18

Mostly Sunny

71 °F

Wind 1 to 8 mph

This Week in Cosmopolis

Friday looks like the warmest upcoming period in Cosmopolis at 72 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 51 degrees F.

The strongest winds are forecast for Wednesday at about 2 to 10 mph W.

The forecast from Jul 14 through Jul 18 stays mostly dry.

Forecast Details

Last updated: Jul 12, 2026 1:16 AM PDT
Coverage: 5 days
Time zone: America/Los_Angeles
Forecast office: SEW
Radar station: KLGX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tuesday Night

Jul 14

51°F

Partly Cloudy then Patchy Fog

2 to 9 mph W

Patchy fog after 5am. Partly cloudy, with a low around 51.

Wednesday

Jul 15

68°F

Patchy Fog then Mostly Sunny

2 to 10 mph W

Patchy fog before 7am. Mostly sunny, with a high near 68.

Wednesday Night

Jul 15

53°F

Mostly Cloudy

3 to 10 mph W

Mostly cloudy, with a low around 53.

Thursday

Jul 16

66°F

Partly Sunny

3 to 9 mph W

Partly sunny, with a high near 66.

Thursday Night

Jul 16

53°F

Partly Cloudy

2 to 9 mph WNW

Partly cloudy, with a low around 53.

Friday

Jul 17

72°F

Mostly Sunny

2 to 8 mph NW

Mostly sunny, with a high near 72.

Friday Night

Jul 17

53°F

Partly Cloudy

1 to 8 mph WNW

Partly cloudy, with a low around 53.

Saturday

Jul 18

71°F

Mostly Sunny

1 to 8 mph W

Mostly sunny, with a high near 71.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Tuesday Jul 14	Sunny	71°F	0 to 9 mph NW	Sunny, with a high near 71.
Tuesday Night Jul 14	Partly Cloudy then Patchy Fog	51°F	2 to 9 mph W	Patchy fog after 5am. Partly cloudy, with a low around 51.
Wednesday Jul 15	Patchy Fog then Mostly Sunny	68°F	2 to 10 mph W	Patchy fog before 7am. Mostly sunny, with a high near 68.
Wednesday Night Jul 15	Mostly Cloudy	53°F	3 to 10 mph W	Mostly cloudy, with a low around 53.
Thursday Jul 16	Partly Sunny	66°F	3 to 9 mph W	Partly sunny, with a high near 66.
Thursday Night Jul 16	Partly Cloudy	53°F	2 to 9 mph WNW	Partly cloudy, with a low around 53.
Friday Jul 17	Mostly Sunny	72°F	2 to 8 mph NW	Mostly sunny, with a high near 72.
Friday Night Jul 17	Partly Cloudy	53°F	1 to 8 mph WNW	Partly cloudy, with a low around 53.
Saturday Jul 18	Mostly Sunny	71°F	1 to 8 mph W	Mostly sunny, with a high near 71.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Cosmopolis.

Region Links

Grays Harbor County weather

County forecast page

Washington weather

Statewide weather overview

United States weather

National weather entry point

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.