Foster, RI Weather Forecast
Local 7-day forecast
Patchy Smoke
Track current conditions, temperature changes, wind, and the full daily outlook for Foster, RI in one place.
Patchy smoke before 11am, then patchy smoke and a slight chance of rain showers between 11am and noon, then rain showers likely and patchy smoke between noon and 3pm, then patchy smoke and showers and thunderstorms. Some of the storms could produce heavy rain. Partly sunny, with a high near 77. South wind 5 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Foster, RI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 17, 2026 8:07 PM EDT.
The active forecast window currently covers Jul 18 to Jul 24, 2026 for Foster, RI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 24, 2026
- Latest sync
- Jul 17, 2026 8:07 PM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Foster
Wednesday looks like the warmest upcoming period in Foster at 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Wednesday at about 14 to 18 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 8:07 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- BOX
- Radar station
- KBOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms before 3am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 70. Southwest wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Mostly sunny, with a high near 77. Northwest wind 9 to 13 mph.
Mostly clear, with a low around 59. Northwest wind 3 to 8 mph.
Sunny, with a high near 75. East wind 2 to 7 mph.
Partly cloudy, with a low around 64. South wind around 7 mph.
A chance of rain showers between 10am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 75. South wind 5 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 68. South wind 12 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 78. Southwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Rain showers likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southwest wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
A slight chance of rain showers. Mostly sunny, with a high near 77. Southwest wind around 8 mph.
A slight chance of rain showers before 3am. Partly cloudy, with a low around 64. West wind 2 to 6 mph.
Mostly sunny, with a high near 76. West wind 2 to 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Patchy Smoke
|
77°F |
5 to 15 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms
|
70°F |
13 to 16 mph
SW
|
|
Sunday
Jul 19
|
Mostly Sunny
|
77°F |
9 to 13 mph
NW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
59°F |
3 to 8 mph
NW
|
|
Monday
Jul 20
|
Sunny
|
75°F |
2 to 7 mph
E
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
64°F |
7 mph
S
|
|
Tuesday
Jul 21
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
75°F |
5 to 12 mph
S
|
|
Tuesday Night
Jul 21
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
68°F |
12 to 15 mph
S
|
|
Wednesday
Jul 22
|
Showers And Thunderstorms
|
78°F |
14 to 18 mph
SW
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms
|
66°F |
6 to 14 mph
SW
|
|
Thursday
Jul 23
|
Slight Chance Rain Showers
|
77°F |
8 mph
SW
|
|
Thursday Night
Jul 23
|
Slight Chance Rain Showers
|
64°F |
2 to 6 mph
W
|
|
Friday
Jul 24
|
Mostly Sunny
|
76°F |
2 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Foster.