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Ewan, WA Weather Tomorrow

View tomorrow's local forecast for Ewan together with a detailed 5 day weather outlook showing precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the Ewan area and around Whitman county, Washington.
Updated: Fri Sep 11th 2026 9:00 AM PDT
Ewan, WA Weather – 9-11 – Overcast
71° / 47°
Overcast
Cloud-filled skies are in the forecast for Ewan, with a high of 71°F and a low of 47°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 16mph on average and gusts of 15.7mph at 11 PM. Humidity levels should be comfortable, sitting around 41% on average, the maximum being 43% at 10 AM and 25% being its lowest at 4 PM. Barometric pressure is its highest of 29.92inHg at 11 AM, a lowest point of 29.83inHg at 11 PM with an avg 29.87inHg.
Ewan, WA Weather – 9-12 – Overcast
66° / 53°

Weather Tomorrow

Overcast
Daytime highs will reach 66°F with lows dropping to 53°F in Ewan, where skies will be overcast. There's a very small chance of rainfall, only about 10%. Wind will be moderate, blowing around 16mph on average and gusts of 21.6mph at 7 PM. Humidity levels should be comfortable, sitting around 40% on average, the maximum being 52% at 7 AM and 28% being its lowest at 5 PM. Barometric pressure is its highest of 29.85inHg at 8 AM, a lowest point of 29.68inHg at 10 PM with an avg 29.79inHg.
Ewan, WA Weather – 9-13 – Light Rain Shower
56° / 45°
Light Rain Shower
Ewan could see rain showers with daytime highs of 56°F and nighttime lows near 45°F. The chance of rain is 86% with an estimated 1in. Wind will be moderate, blowing around 18mph on average and gusts of 33.2mph at 11 PM. High humidity with average of 81% is anticipated, the maximum being 94% at 5 PM and 45% being its lowest at 12 AM. Barometric pressure is its highest of 29.95inHg at 10 PM, a lowest point of 29.7inHg at 12 AM with an avg 29.85inHg.
Ewan, WA Weather – 9-14 – Sunny
64° / 47°
Sunny
In Ewan, it will be sunny with highs near 64°F and lows around 47°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 17mph on average and gusts of 31.8mph at 12 AM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 76% at 6 AM and 36% being its lowest at 5 PM. Barometric pressure is its highest of 30.03inHg at 8 AM, a lowest point of 29.96inHg at 12 AM with an avg 30inHg.
Ewan, WA Weather – 9-15 – Overcast
65° / 53°
Overcast
It will be overcast in Ewan, with a high of 65°F and a low of 53°F. There's a very small chance of rainfall, only about 7%. Winds will be light at 8mph and gusts of 12.3mph at 1 PM. Humidity levels should be comfortable, sitting around 48% on average, the maximum being 68% at 6 AM and 31% being its lowest at 4 PM. Barometric pressure is its highest of 30.1inHg at 8 AM, a lowest point of 29.89inHg at 5 PM with an avg 29.97inHg.
Ewan, WA Weather – 9-16 – Sunny
70° / 50°
Sunny
In Ewan, bright and sunny conditions with highs near 70°F and lows around 50°F. There's a very small chance of rainfall, only about 1%. Winds will be light at 8mph and gusts of 17mph at 11 PM. Humidity levels should be comfortable, sitting around 48% on average, the maximum being 77% at 5 AM and 26% being its lowest at 5 PM. Barometric pressure is its highest of 30.22inHg at 9 AM, a lowest point of 30inHg at 12 AM with an avg 30.15inHg.

Currently

Overcast 56°F
29.88 inHg.
Barometer
50%
Humidity
WSW 22.3 mph
Wind
Overcast

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