Foster, RI Weather Forecast
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Foster Weather Forecast
| THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Sunny | Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Chance of Showers | Partly Cloudy | Partly Cloudy | Mostly Sunny | Chance of Showers |
| Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Hi: 70°FHi: 21°C Lo: 55°FLo: 13°C |
| POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 102 PM EDT Mon Sep 14 2026 

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Issued: 134 PM EDT Mon Sep 14 2026
Key Messages
- Dry with below normal temperatures through Tuesday night.
- Above normal temps return Wed through the end of the week with high temps mainly in the 70s to near 80. A few showers possible sometime late Thu into early Fri...But dry weather dominates.
Discussion
... KEY MESSAGE 1...Dry with below normal temperatures through Tuesday night.
A large high pressure arrives from the west tonight. Gusty winds subside around sunset, then become light and variable late this evening. Expecting decent ...
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