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City of Rainier, WARainier, WA 7-Day Weather Forecast
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Rainier Weather Forecast
Rainier, WA Weather Forecast Date: 236 AM PDT Thu Sep 10 2026
Weather forecast for Rainier, WA
Today Hi: 70°FHi: 21°C Lo: 46°F Lo: 8°C |
Today... Mostly cloudy. Patchy fog in the morning. Highs in the upper 60s to mid 70s. Light wind becoming west to 10 mph in the afternoon. |
Fri Hi: 66°FHi: 19°C Lo: 50°F Lo: 10°C |
Friday... Cloudy. Highs in the mid 60s to lower 70s. Light wind. |
Sat Hi: 66°FHi: 19°C Lo: 50°F Lo: 10°C |
Saturday... Cloudy with a slight chance of rain in the morning, then partly sunny with a chance of showers and a slight chance of thunderstorms in the afternoon. Highs in the mid 60s to lower 70s. Light wind. |
Sun Hi: 70°FHi: 21°C Lo: 50°F Lo: 10°C |
Sunday... Mostly cloudy with a slight chance of rain. Highs near 70. |
Mon Hi: 73°FHi: 23°C Lo: 50°F Lo: 10°C |
Monday... Mostly sunny. Highs in the lower to mid 70s. |
| Tue Hi: 77°FHi: 25°C Lo: 51°F Lo: 11°C |
Tuesday... Sunny. Highs in the mid to upper 70s. |
| Wed Hi: 80°FHi: 27°C |
Wednesday... Sunny. Highs near 80. |
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