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State Line Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | | |  |  | | | | |  |  |
| Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Mostly Cloudy |
| Lo: 50°FLo: 10°C | Hi: 80°FHi: 27°C | Lo: 50°FLo: 10°C | Hi: 83°FHi: 28°C | Lo: 53°FLo: 12°C | Hi: 80°FHi: 27°C Lo: 53°FLo: 12°C | Hi: 80°FHi: 27°C Lo: 53°FLo: 12°C | Hi: 70°FHi: 21°C Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C Lo: 46°FLo: 8°C | Lo: 47°FLo: 8°C | Hi: 65°FHi: 18°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 209 PM PDT Sat Sep 19 2026 
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Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 439 PM PDT Sat Sep 19 2026
Key Messages
- Warm temperatures through Wednesday with afternoon highs in the mid 70s to low 80s.
- Temperatures will begin cooling midweek. There is a low chance for light showers Friday into the weekend.
Discussion
... Today through Monday: Expect warmer than normal temperatures through the rest of the weekend and into next week as the upper level ridge over the Pacific Northwest stays in place. Skies will be mostly clear through Monday with no precipitation expected across the forecast area. Sunday...