Chatham, PA Weather Forecast

Local 7-day forecast

55°
F

Mostly Clear

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

Wednesday, September 16, 2026
Wind: 0 to 5 mph S
Overnight

Mostly clear, with a low around 55. South wind 0 to 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Chatham, 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: Sep 16, 2026 3:29 AM EDT.

The active forecast window currently covers Sep 16 to Sep 22, 2026 for Chatham, PA.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 22, 2026
Latest sync
Sep 16, 2026 3:29 AM EDT
Forecast office
PHI
Source
NOAA / NWS
Next High
81°F
Wednesday
Next Low
55°F
Overnight
Rain Outlook
8
Periods mentioning precipitation
Windiest
0 to 10 mph
Wednesday

Daily Outlook

Today
Sep 16
Sunny
81 °F
/ 55°F
Wind 0 to 10 mph
Thu
Sep 17
Mostly Sunny
84 °F
/ 67°F
Wind 5 mph
Fri
Sep 18
Slight Chance Rain Showers then Mostly Sunny
81 °F
/ 58°F
Wind 5 to 10 mph
Sat
Sep 19
Mostly Sunny
76 °F
/ 60°F
Wind 5 mph
Sun
Sep 20
Chance Rain Showers
77 °F
/ 62°F
Wind 5 to 10 mph
Mon
Sep 21
Chance Rain Showers
77 °F
/ 61°F
Wind 5 to 10 mph
Tue
Sep 22
Chance Rain Showers
74 °F
Wind 5 to 10 mph

This Week in Chatham

Thursday looks like the warmest upcoming period in Chatham at 84 degrees F.

Overnight is the coolest period ahead with temperatures near 55 degrees F.

The strongest winds are forecast for Wednesday at about 0 to 10 mph S.

Precipitation is mentioned in 8 upcoming forecast periods.

Forecast Details

Last updated
Sep 16, 2026 3:29 AM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
PHI
Radar station
KDOX

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

Open NOAA source

Extended Forecast

Wednesday
Sep 16
81°F
Sunny
0 to 10 mph S

Sunny, with a high near 81. South wind 0 to 10 mph.

Wednesday Night
Sep 16
63°F
Partly Cloudy
5 mph S

Partly cloudy, with a low around 63. South wind around 5 mph.

Thursday
Sep 17
84°F
Mostly Sunny
5 mph S

Mostly sunny, with a high near 84. South wind around 5 mph.

Thursday Night
Sep 17
67°F
Chance Rain Showers
0 to 5 mph SW

A chance of rain showers after 8pm. Mostly cloudy, with a low around 67. Southwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Friday
Sep 18
81°F
Slight Chance Rain Showers then Mostly Sunny
5 to 10 mph N

A slight chance of rain showers before 8am. Mostly sunny, with a high near 81. Chance of precipitation is 20%.

Friday Night
Sep 18
58°F
Mostly Clear
5 mph NE

Mostly clear, with a low around 58.

Saturday
Sep 19
76°F
Mostly Sunny
5 mph E

Mostly sunny, with a high near 76.

Saturday Night
Sep 19
60°F
Mostly Cloudy then Chance Rain Showers
5 mph SE

A chance of rain showers after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

Sunday
Sep 20
77°F
Chance Rain Showers
5 to 10 mph S

A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.

Sunday Night
Sep 20
62°F
Chance Showers And Thunderstorms
5 mph E

A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.

Monday
Sep 21
77°F
Chance Rain Showers
5 to 10 mph E

A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.

Monday Night
Sep 21
61°F
Chance Showers And Thunderstorms
5 mph E

A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

Tuesday
Sep 22
74°F
Chance Rain Showers
5 to 10 mph E

A chance of rain showers. Mostly cloudy, with a high near 74.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Sep 16
Mostly Clear
55°F
0 to 5 mph
S
Wednesday
Sep 16
Sunny
81°F
0 to 10 mph
S
Wednesday Night
Sep 16
Partly Cloudy
63°F
5 mph
S
Thursday
Sep 17
Mostly Sunny
84°F
5 mph
S
Thursday Night
Sep 17
Chance Rain Showers
67°F
0 to 5 mph
SW
Friday
Sep 18
Slight Chance Rain Showers then Mostly Sunny
81°F
5 to 10 mph
N
Friday Night
Sep 18
Mostly Clear
58°F
5 mph
NE
Saturday
Sep 19
Mostly Sunny
76°F
5 mph
E
Saturday Night
Sep 19
Mostly Cloudy then Chance Rain Showers
60°F
5 mph
SE
Sunday
Sep 20
Chance Rain Showers
77°F
5 to 10 mph
S
Sunday Night
Sep 20
Chance Showers And Thunderstorms
62°F
5 mph
E
Monday
Sep 21
Chance Rain Showers
77°F
5 to 10 mph
E
Monday Night
Sep 21
Chance Showers And Thunderstorms
61°F
5 mph
E
Tuesday
Sep 22
Chance Rain Showers
74°F
5 to 10 mph
E
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.