Dayton, ID Weather Forecast
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Dayton Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY |
| Mostly Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Sunny |
| Hi: 74°FHi: 23°C | Lo: 49°FLo: 9°C | Hi: 78°FHi: 26°C | Lo: 54°FLo: 12°C | Hi: 74°FHi: 23°C | Lo: 48°FLo: 9°C | Hi: 74°FHi: 23°C Lo: 44°FLo: 7°C | Hi: 74°FHi: 23°C Lo: 44°FLo: 7°C | Hi: 74°FHi: 23°C Lo: 44°FLo: 7°C | Lo: 47°FLo: 8°C | Hi: 77°FHi: 25°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 111 AM MDT Tue Sep 15 2026 

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Issued: 104 AM MDT Tue Sep 15 2026
Key Messages
- Frost possible across portions of Snake Plain this morning, mainly outside the interstate corridor.
- Next chance of rain late week.
Discussion
... Issued at 103 AM MDT Tue Sep 15 2026
Chilly start to the morning with many areas falling into the 30s. The frost advisory remains in effect until 9am. Temps should quickly rebound with most locations seeing highs in the 70s today. Overnight lows look like they`ll stay warm enough in most locations for Wednesday morning. Although there could be...
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