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Home / Local Weather & Traffic / Washington / Summit / Weather Forecast

Summit, WA Weather Tomorrow

From tomorrow through the next 5 days, stay updated on Summit weather with precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Summit area and around Pierce county, Washington.
Updated: Wed Sep 2nd 2026 11:15 PM PDT
Summit, WA Weather – 9-2 – Overcast
71° / 55°
Overcast
Summit, WA Weather – 9-3 – Scattered Showers
66° / 47°

Weather Tomorrow

Scattered Showers
In Summit, scattered showers are likely with a high near 66°F and a low around 47°F. The chance of rain is 86% with an estimated 1.08in. Winds will be light at 7mph and gusts of 14.1mph at 2 AM. The humidity will be on the higher side, averaging about 79%, the maximum being 96% at 9 AM and 51% being its lowest at 2 PM. Barometric pressure is its highest of 29.85inHg at 10 PM, a lowest point of 29.75inHg at 12 AM with an avg 29.81inHg.
Summit, WA Weather – 9-4 – Overcast
68° / 48°
Overcast
Daytime highs will reach 68°F with lows dropping to 48°F in Summit, where it will be overcast. There might be light rainfall having a 22% chance with an estimated 0in. Winds will be light at 4mph and gusts of 14.3mph at 3 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 95% at 5 AM and 47% being its lowest at 4 PM. Barometric pressure is its highest of 30.02inHg at 11 PM, a lowest point of 29.85inHg at 12 AM with an avg 29.93inHg.
Summit, WA Weather – 9-5 – Overcast
70° / 50°
Overcast
Summit could see cloud-filled skies with daytime highs of 70°F and nighttime lows near 50°F. There might be light rainfall having a 17% chance. Winds will be light at 9mph and gusts of 18.9mph at 7 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 92% at 5 AM and 40% being its lowest at 3 PM. Barometric pressure is its highest of 30.07inHg at 8 AM, a lowest point of 30.01inHg at 12 AM with an avg 30.04inHg.
Summit, WA Weather – 9-6 – Sunny
76° / 53°
Sunny
Summit could see sunshine with daytime highs of 76°F and nighttime lows near 53°F. There might be light rainfall having a 17% chance with an estimated 0in. Winds will be light at 7mph and gusts of 17.9mph at 6 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 90% at 4 AM and 32% being its lowest at 3 PM. Barometric pressure is its highest of 30.04inHg at 12 AM, a lowest point of 29.95inHg at 6 PM with an avg 30inHg.
Summit, WA Weather – 9-7 – Smoky Haze
79° / 50°
Smoky Haze
Highs will reach 79°F with lows near 50°F in Summit, where smoky Haze is. There's a very small chance of rainfall, only about 4%. Winds will be light at 5mph and gusts of 11.4mph at 11 AM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 88% at 6 AM and 28% being its lowest at 5 PM. Barometric pressure is its highest of 30.05inHg at 9 AM, a lowest point of 29.96inHg at 6 PM with an avg 30inHg.
Summit, WA Weather Forecast - 10 Day Detailed

Currently

Moderate Rain 55°F
29.75 inHg.
Barometer
77%
Humidity
S 7.9 mph
Wind
Moderate Rain
Full Report

5 Day Forecast Nearby

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