Chester, PA Weather Forecast

Local 7-day forecast

89°
F

Smoke

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

Friday, July 17, 2026
Wind: 5 mph NW
Today

Smoke. Partly sunny, with a high near 89. Northwest wind around 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Chester, PA 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 8:17 AM EDT.

The active forecast window currently covers Jul 17 to Jul 23, 2026 for Chester, PA.

Page Snapshot

Page focus
city weather
Forecast window
Jul 17 to Jul 23, 2026
Latest sync
Jul 17, 2026 8:17 AM EDT
Forecast office
PHI
Source
NOAA / NWS
Next High
89°F
Today
Next Low
70°F
Tonight
Rain Outlook
7
Periods mentioning precipitation
Windiest
5 to 10 mph
Saturday

Daily Outlook

Today
Jul 17
Smoke
89 °F
/ 70°F
Wind 5 mph
Sat
Jul 18
Areas Of Smoke then Patchy Smoke
86 °F
/ 73°F
Wind 5 to 10 mph
Sun
Jul 19
Mostly Sunny
84 °F
/ 64°F
Wind 5 to 10 mph
Mon
Jul 20
Sunny
83 °F
/ 69°F
Wind 0 to 5 mph
Tue
Jul 21
Slight Chance Rain Showers then Chance Showers And Thunderstorms
87 °F
/ 73°F
Wind 5 to 10 mph
Wed
Jul 22
Showers And Thunderstorms Likely
86 °F
/ 67°F
Wind 10 mph
Thu
Jul 23
Sunny
83 °F
/ 67°F
Wind 5 mph

This Week in Chester

Today looks like the warmest upcoming period in Chester at 89 degrees F.

Sunday Night is the coolest period ahead with temperatures near 64 degrees F.

The strongest winds are forecast for Saturday at about 5 to 10 mph S.

Precipitation is mentioned in 7 upcoming forecast periods.

Forecast Details

Last updated
Jul 17, 2026 8:17 AM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
PHI
Radar station
KDIX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tonight
Jul 17
70°F
Smoke
5 mph SW

Smoke before 5am, then areas of smoke and a slight chance of rain showers. Mostly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 20%.

Saturday
Jul 18
86°F
Areas Of Smoke then Patchy Smoke
5 to 10 mph S

Areas of smoke and a chance of rain showers before 8am, then areas of smoke and a chance of showers and thunderstorms between 8am and 9am, then areas of smoke and showers and thunderstorms likely between 9am and 11am, then patchy smoke and showers and thunderstorms. Mostly cloudy, with a high near 86. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Night
Jul 18
73°F
Showers And Thunderstorms
5 to 10 mph SW

Showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday
Jul 19
84°F
Mostly Sunny
5 to 10 mph NW

Mostly sunny, with a high near 84. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.

Sunday Night
Jul 19
64°F
Clear
5 mph N

Clear, with a low around 64.

Monday
Jul 20
83°F
Sunny
0 to 5 mph E

Sunny, with a high near 83.

Monday Night
Jul 20
69°F
Partly Cloudy
5 mph S

Partly cloudy, with a low around 69.

Tuesday
Jul 21
87°F
Slight Chance Rain Showers then Chance Showers And Thunderstorms
5 to 10 mph S

A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.

Tuesday Night
Jul 21
73°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
10 mph SW

A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.

Wednesday
Jul 22
86°F
Showers And Thunderstorms Likely
10 mph W

Showers and thunderstorms likely before 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 60%.

Wednesday Night
Jul 22
67°F
Mostly Clear
5 to 10 mph NW

Mostly clear, with a low around 67.

Thursday
Jul 23
83°F
Sunny
5 mph N

Sunny, with a high near 83.

Thursday Night
Jul 23
67°F
Mostly Clear
0 to 5 mph N

Mostly clear, with a low around 67.

Detailed Forecast

Period Conditions Temp Wind
Today
Jul 17
Smoke
89°F
5 mph
NW
Tonight
Jul 17
Smoke
70°F
5 mph
SW
Saturday
Jul 18
Areas Of Smoke then Patchy Smoke
86°F
5 to 10 mph
S
Saturday Night
Jul 18
Showers And Thunderstorms
73°F
5 to 10 mph
SW
Sunday
Jul 19
Mostly Sunny
84°F
5 to 10 mph
NW
Sunday Night
Jul 19
Clear
64°F
5 mph
N
Monday
Jul 20
Sunny
83°F
0 to 5 mph
E
Monday Night
Jul 20
Partly Cloudy
69°F
5 mph
S
Tuesday
Jul 21
Slight Chance Rain Showers then Chance Showers And Thunderstorms
87°F
5 to 10 mph
S
Tuesday Night
Jul 21
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
73°F
10 mph
SW
Wednesday
Jul 22
Showers And Thunderstorms Likely
86°F
10 mph
W
Wednesday Night
Jul 22
Mostly Clear
67°F
5 to 10 mph
NW
Thursday
Jul 23
Sunny
83°F
5 mph
N
Thursday Night
Jul 23
Mostly Clear
67°F
0 to 5 mph
N
Chester-pa-avenue-of-the-states-june-2010
Chester-pa-avenue-of-the-states-june-2010 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.