Foster, RI Weather Forecast

Local 7-day forecast

71°
F

Mostly Sunny

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

Wednesday, September 16, 2026
Wind: 2 to 12 mph SW
Wednesday

Mostly sunny, with a high near 71. Southwest wind 2 to 12 mph.

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: Sep 15, 2026 5:34 PM EDT.

The active forecast window currently covers Sep 16 to Sep 21, 2026 for Foster, RI.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 21, 2026
Latest sync
Sep 15, 2026 5:34 PM EDT
Forecast office
BOX
Source
NOAA / NWS
Next High
71°F
Wednesday
Next Low
64°F
Wednesday Night
Rain Outlook
7
Periods mentioning precipitation
Windiest
15 mph
Monday

Daily Outlook

Today
Sep 16
Mostly Sunny
71 °F
/ 64°F
Wind 2 to 12 mph
Thu
Sep 17
Mostly Sunny
73 °F
/ 67°F
Wind 2 to 10 mph
Fri
Sep 18
Slight Chance Rain Showers then Mostly Sunny
74 °F
/ 56°F
Wind 8 to 12 mph
Sat
Sep 19
Mostly Sunny
66 °F
/ 59°F
Wind 9 mph
Sun
Sep 20
Chance Rain Showers
68 °F
/ 61°F
Wind 8 to 14 mph
Mon
Sep 21
Chance Rain Showers
68 °F
/ 60°F
Wind 15 mph

This Week in Foster

Friday looks like the warmest upcoming period in Foster at 74 degrees F.

Friday Night is the coolest period ahead with temperatures near 56 degrees F.

The strongest winds are forecast for Monday at about 15 mph E.

Precipitation is mentioned in 7 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 5:34 PM EDT
Coverage
6 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

Wednesday Night
Sep 16
64°F
Partly Cloudy
2 to 9 mph SW

Partly cloudy, with a low around 64. Southwest wind 2 to 9 mph.

Thursday
Sep 17
73°F
Mostly Sunny
2 to 10 mph SW

Mostly sunny, with a high near 73. Southwest wind 2 to 10 mph.

Thursday Night
Sep 17
67°F
Chance Rain Showers
10 mph SW

A chance of rain showers after 9pm. Mostly cloudy, with a low around 67. Southwest wind around 10 mph. Chance of precipitation is 30%.

Friday
Sep 18
74°F
Slight Chance Rain Showers then Mostly Sunny
8 to 12 mph NW

A slight chance of rain showers before 7am. Mostly sunny, with a high near 74. Northwest wind 8 to 12 mph.

Friday Night
Sep 18
56°F
Partly Cloudy
9 mph N

Partly cloudy, with a low around 56. North wind around 9 mph.

Saturday
Sep 19
66°F
Mostly Sunny
9 mph E

Mostly sunny, with a high near 66. East wind around 9 mph.

Saturday Night
Sep 19
59°F
Mostly Cloudy then Chance Rain Showers
7 mph SE

A chance of rain showers after 2am. Mostly cloudy, with a low around 59. Southeast wind around 7 mph. Chance of precipitation is 30%.

Sunday
Sep 20
68°F
Chance Rain Showers
8 to 14 mph SE

A chance of rain showers. Mostly cloudy, with a high near 68. Southeast wind 8 to 14 mph. Chance of precipitation is 50%.

Sunday Night
Sep 20
61°F
Chance Rain Showers
13 mph NE

A chance of rain showers. Mostly cloudy, with a low around 61. Northeast wind around 13 mph. Chance of precipitation is 50%.

Monday
Sep 21
68°F
Chance Rain Showers
15 mph E

A chance of rain showers. Mostly cloudy, with a high near 68. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Monday Night
Sep 21
60°F
Chance Rain Showers
14 mph E

A chance of rain showers. Mostly cloudy, with a low around 60. East wind around 14 mph, with gusts as high as 24 mph.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 16
Mostly Sunny
71°F
2 to 12 mph
SW
Wednesday Night
Sep 16
Partly Cloudy
64°F
2 to 9 mph
SW
Thursday
Sep 17
Mostly Sunny
73°F
2 to 10 mph
SW
Thursday Night
Sep 17
Chance Rain Showers
67°F
10 mph
SW
Friday
Sep 18
Slight Chance Rain Showers then Mostly Sunny
74°F
8 to 12 mph
NW
Friday Night
Sep 18
Partly Cloudy
56°F
9 mph
N
Saturday
Sep 19
Mostly Sunny
66°F
9 mph
E
Saturday Night
Sep 19
Mostly Cloudy then Chance Rain Showers
59°F
7 mph
SE
Sunday
Sep 20
Chance Rain Showers
68°F
8 to 14 mph
SE
Sunday Night
Sep 20
Chance Rain Showers
61°F
13 mph
NE
Monday
Sep 21
Chance Rain Showers
68°F
15 mph
E
Monday Night
Sep 21
Chance Rain Showers
60°F
14 mph
E
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.