Startup, WA 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon


Startup Weather Forecast


Startup, WA Weather Forecast Date: 236 PM PDT Thu Sep 03 2026
Weather forecast for Startup, WA
| Tonight Lo: 50°F Lo: 10°C |
Tonight... Mostly cloudy. A chance of rain in the evening. Lows near 50. Light wind. |
| Fri Hi: 66°FHi: 19°C Lo: 50°F Lo: 10°C |
Friday... Partly sunny. A slight chance of rain early in the afternoon. A chance of showers and a slight chance of thunderstorms late in the afternoon. Highs in the mid 60s to lower 70s. Light wind. |
| Sat Hi: 70°FHi: 21°C Lo: 50°F Lo: 10°C |
Saturday... Partly sunny. A chance of showers and a slight chance of thunderstorms in the afternoon. Highs in the upper 60s to mid 70s. Light wind. |
| Sun Hi: 73°FHi: 23°C Lo: 51°F Lo: 11°C |
Sunday... Mostly sunny. Highs in the lower to mid 70s. |
| Labor Day Hi: 71°FHi: 22°C Lo: 53°F Lo: 12°C |
Labor Day... Mostly cloudy with a chance of rain. Highs in the lower 70s. |
| Tue Hi: 73°FHi: 23°C Lo: 53°F Lo: 12°C |
Tuesday... Mostly cloudy. A slight chance of rain in the morning. Highs in the lower to mid 70s. |
| Wed Hi: 77°FHi: 25°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly sunny. Highs in the mid to upper 70s. |
Startup Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Weather World