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Junction City Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY |
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| Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear |
| Hi: 85°FHi: 29°C | Lo: 53°FLo: 12°C | Hi: 92°FHi: 33°C | Lo: 56°FLo: 13°C | Hi: 96°FHi: 36°C | Hi: 96°FHi: 36°C Lo: 58°FLo: 14°C | Hi: 96°FHi: 36°C Lo: 58°FLo: 14°C | Hi: 95°FHi: 35°C Lo: 59°FLo: 15°C | Hi: 95°FHi: 35°C Lo: 59°FLo: 15°C | Hi: 94°FHi: 34°C Lo: 59°FLo: 15°C | Hi: 94°FHi: 34°C Lo: 59°FLo: 15°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 AM PDT Tue Sep 29 2026 
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Issued: 1222 AM PDT Tue Sep 29 2026
Key Messages
- High pressure builds through the rest of the week, bringing an extended dry period with interior valley high temperatures warming into the 80s and 90s.
- An arriving long-period west-northwest swell brings an elevated risk for sneaker waves along the shoreline.
Discussion
...Broad mid-level ridging over the eastern Pacific will expand inland Tuesday through Friday, establishing high confidence in dry conditions across the region.
At the surface, the onshore pressure gradient between the o...