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Thornton, WA Weather Forecast

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Thornton, WA Weather Forecast

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Thornton WA weather - Clear - 40°F
Clear
40°F
Updated 3:42 am
Feels Like 51°F
Humidity 73%
Wind N 0 mph
Barometer  30.12 in
Dew Point 32°F
Thornton WA weather - Clear - 4°C
Clear
4°C
Updated 3:42 am
Feels Like 10°C
Humidity 73%
Wind N 0 km/h
Barometer  102 kPa
Dew Point 0°C
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Thornton Weather Forecast

TODAY TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY TUESDAY TUESDAY NIGHT WEDNESDAY
Thornton, WA Weather - Today Mostly Sunny Thornton, WA Weather - Tonight Mostly Cloudy Thornton, WA Weather - Friday Blowing Dust Thornton, WA Weather - Friday Night Blowing Dust Thornton, WA Weather - Saturday Mostly Sunny Thornton, WA Weather - Saturday Night Chance Of Showers Thornton, WA Weather - Sunday Mostly Clear Thornton, WA Weather - Monday Mostly Clear Thornton, WA Weather - Tuesday Mostly Sunny Thornton, WA Weather - Tuesday Night Chance Of Showers Thornton, WA Weather - Wednesday Chance Of Showers
Mostly Sunny Mostly Cloudy Blowing Dust Blowing Dust Mostly Sunny Chance of Showers Mostly Clear Mostly Clear Mostly Sunny Chance of Showers Chance of Showers
Hi: 76°FHi: 24°C
 Lo: 46°FLo: 8°C Hi: 66°FHi: 19°C
 Lo: 40°FLo: 4°C Hi: 56°FHi: 13°C
 Lo: 35°FLo: 2°C Hi: 56°FHi: 13°C
Lo: 39°FLo: 4°C		 Hi: 56°FHi: 13°C
Lo: 39°FLo: 4°C		 Hi: 63°FHi: 17°C
 Hi: 60°FHi: 16°C
Lo: 37°FLo: 3°C		 Hi: 60°FHi: 16°C
Lo: 37°FLo: 3°C
POP: 50% POP: 20% POP: 20% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 315 AM PDT Thu Oct 08 2026 Thornton, WA Weather - WeatherWorld.com

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Thornton Forecast Discussion

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Issued: 1217 AM PDT Thu Oct 8 2026

Key Messages

  • Unseasonably warm and dry conditions continue through today.
  • An incoming weather system on Friday will bring cooler temperatures, gusty winds, and chances for rain.

Discussion

... Today and tonight: High pressure will continue the warm, dry conditions for today. With an incoming cold front , clouds will sill increase through the day. Winds will be generally light and variable. Highs for the day will be in the 70s and low 80s. Overnight lows will be in the 40s and low 50s.

Friday through...