Jamestown, RI Weather Forecast
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Jamestown Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Clear | Sunny | Mostly Cloudy | Showers | Mostly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Sunny | Partly Cloudy | Partly Cloudy |
| Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Hi: 75°FHi: 24°C Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C Lo: 61°FLo: 16°C |
| POP: 100% |
POP = Probability of Precipitation.
Weather Outlook Updated: 703 PM EDT Fri Sep 11 2026 

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Issued: 759 PM EDT Fri Sep 11 2026
Key Messages
- Pleasant conditions through tomorrow as the region sits under high pressure. Lows tonight dip into the 40s and 50s.
- Showers, and possibly a few thunderstorms, with brief torrential rainfall possible late Sat night into the first half of Sun. Low probability for localized flash flooding.
- Dry and seasonable Mon-Tue but a brief bout of summer warmth and humidity possible Wed and/or Thu ahead of a cold front.
Discussion
... KEY MESSAGE 1...Pleasant conditions through tomorrow as the region...
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