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Seattle, WA Weather Tomorrow

Tomorrow's forecast for Seattle includes an extended 5 day weather outlook with 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 Seattle area and around King county, Washington.
Updated: Fri Sep 11th 2026 2:15 AM PDT
Seattle, WA Weather – 9-11 – Overcast
67° / 53°
Overcast
Daytime highs will reach 67°F with lows dropping to 53°F in Seattle, where skies will be overcast. There's a moderate 46% chance of rainfall with an estimated 0.02in. Winds will be light at 7mph and gusts of 14.3mph at 7 AM. The humidity will be on the higher side, averaging about 69%, the maximum being 90% at 6 AM and 45% being its lowest at 4 PM. Barometric pressure is its highest of 30.01inHg at 8 AM, a lowest point of 29.92inHg at 6 PM with an avg 29.97inHg.
Seattle, WA Weather – 9-12 – Overcast
67° / 54°

Weather Tomorrow

Overcast
Seattle is set for cloud-filled skies with temperatures peaking at 67°F and dipping to 54°F. There might be light rainfall having a 23% chance with an estimated 0in. Winds will be light at 8mph and gusts of 14.6mph at 8 AM. The humidity will be on the higher side, averaging about 69%, the maximum being 82% at 7 AM and 48% being its lowest at 4 PM. Barometric pressure is its highest of 29.94inHg at 10 PM, a lowest point of 29.89inHg at 4 PM with an avg 29.92inHg.
Seattle, WA Weather – 9-13 – Overcast
67° / 52°
Overcast
Seattle may see overcast, with daytime highs of 67°F and overnight lows near 52°F. There might be light rainfall having a 20% chance with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 18.6mph at 8 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 92% at 5 AM and 47% being its lowest at 6 PM. Barometric pressure is its highest of 30.07inHg at 11 PM, a lowest point of 29.94inHg at 12 AM with an avg 30inHg.
Seattle, WA Weather – 9-14 – Overcast
68° / 54°
Overcast
Daytime highs will reach 68°F with lows dropping to 54°F in Seattle, where it will be overcast. There might be light rainfall having a 21% chance with an estimated 0.01in. Winds will be light at 7mph and gusts of 16.6mph at 3 AM. The humidity will be on the higher side, averaging about 66%, the maximum being 83% at 5 AM and 43% being its lowest at 5 PM. Barometric pressure is its highest of 30.11inHg at 10 AM, a lowest point of 30.03inHg at 6 PM with an avg 30.07inHg.
Seattle, WA Weather – 9-15 – Overcast
73° / 52°
Overcast
Skies will be overcast in Seattle, with a high of 73°F and a low of 52°F. There's a very small chance of rainfall, only about 8%. Winds will be light at 8mph and gusts of 12.1mph at 8 PM. The humidity will be on the higher side, averaging about 62%, the maximum being 83% at 7 AM and 39% being its lowest at 2 PM. Barometric pressure is its highest of 30.1inHg at 2 AM, a lowest point of 30.03inHg at 5 PM with an avg 30.06inHg.
Seattle, WA Weather – 9-16 – Sunny
81° / 55°
Sunny
Seattle could see sunshine with daytime highs of 81°F and nighttime lows near 55°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 9mph and gusts of 12.8mph at 6 PM. Humidity levels should be comfortable, sitting around 52% on average, the maximum being 79% at 5 AM and 23% being its lowest at 2 PM. Barometric pressure is its highest of 30.14inHg at 9 AM, a lowest point of 30.04inHg at 5 PM with an avg 30.1inHg.

Currently

Patchy Rain Nearby 58°F
29.98 inHg.
Barometer
86%
Humidity
SSE 9.7 mph
Wind
Patchy Rain Nearby

5 Day Forecast Nearby

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