Foster, RI Weather Forecast

Local 7-day forecast

77°
F

Patchy Smoke

Track current conditions, temperature changes, wind, and the full daily outlook for Foster, RI in one place.

Saturday, July 18, 2026
Wind: 5 to 15 mph S
Saturday

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 7-day forecast

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
Next High
77°F
Saturday
Next Low
70°F
Saturday Night
Rain Outlook
8
Periods mentioning precipitation
Windiest
14 to 18 mph
Wednesday

Daily Outlook

Today
Jul 18
Patchy Smoke
77 °F
/ 70°F
Wind 5 to 15 mph
Sun
Jul 19
Mostly Sunny
77 °F
/ 59°F
Wind 9 to 13 mph
Mon
Jul 20
Sunny
75 °F
/ 64°F
Wind 2 to 7 mph
Tue
Jul 21
Chance Rain Showers then Chance Showers And Thunderstorms
75 °F
/ 68°F
Wind 5 to 12 mph
Wed
Jul 22
Showers And Thunderstorms
78 °F
/ 66°F
Wind 14 to 18 mph
Thu
Jul 23
Slight Chance Rain Showers
77 °F
/ 64°F
Wind 8 mph
Fri
Jul 24
Mostly Sunny
76 °F
Wind 2 to 7 mph

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 source

Extended Forecast

Saturday Night
Jul 18
70°F
Showers And Thunderstorms
13 to 16 mph SW

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.

Sunday
Jul 19
77°F
Mostly Sunny
9 to 13 mph NW

Mostly sunny, with a high near 77. Northwest wind 9 to 13 mph.

Sunday Night
Jul 19
59°F
Mostly Clear
3 to 8 mph NW

Mostly clear, with a low around 59. Northwest wind 3 to 8 mph.

Monday
Jul 20
75°F
Sunny
2 to 7 mph E

Sunny, with a high near 75. East wind 2 to 7 mph.

Monday Night
Jul 20
64°F
Partly Cloudy
7 mph S

Partly cloudy, with a low around 64. South wind around 7 mph.

Tuesday
Jul 21
75°F
Chance Rain Showers then Chance Showers And Thunderstorms
5 to 12 mph S

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%.

Tuesday Night
Jul 21
68°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
12 to 15 mph S

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%.

Wednesday
Jul 22
78°F
Showers And Thunderstorms
14 to 18 mph SW

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%.

Wednesday Night
Jul 22
66°F
Chance Showers And Thunderstorms
6 to 14 mph SW

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%.

Thursday
Jul 23
77°F
Slight Chance Rain Showers
8 mph SW

A slight chance of rain showers. Mostly sunny, with a high near 77. Southwest wind around 8 mph.

Thursday Night
Jul 23
64°F
Slight Chance Rain Showers
2 to 6 mph W

A slight chance of rain showers before 3am. Partly cloudy, with a low around 64. West wind 2 to 6 mph.

Friday
Jul 24
76°F
Mostly Sunny
2 to 7 mph W

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
Foster Public Library  Foster RI
Foster Public Library Foster RI image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.