Southwest Greensburg, PA Weather Forecast

Local 7-day forecast

76°
F

Slight Chance Rain Showers

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

Friday, September 18, 2026
Wind: 8 mph N
This Afternoon

A slight chance of rain showers between 2pm and 5pm. Partly sunny, with a high near 76. North wind around 8 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Southwest Greensburg, 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 18, 2026 3:42 PM EDT.

The active forecast window currently covers Sep 18 to Sep 24, 2026 for Southwest Greensburg, PA.

Page Snapshot

Page focus
city weather
Forecast window
Sep 18 to Sep 24, 2026
Latest sync
Sep 18, 2026 3:42 PM EDT
Forecast office
PBZ
Source
NOAA / NWS
Next High
76°F
This Afternoon
Next Low
57°F
Tonight
Rain Outlook
12
Periods mentioning precipitation
Windiest
14 to 18 mph
Tuesday Night

Daily Outlook

Today
Sep 18
Slight Chance Rain Showers
76 °F
/ 57°F
Wind 8 mph
Sat
Sep 19
Partly Sunny
79 °F
/ 64°F
Wind 5 mph
Sun
Sep 20
Showers And Thunderstorms
78 °F
/ 60°F
Wind 6 to 12 mph
Mon
Sep 21
Chance Rain Showers
70 °F
/ 57°F
Wind 12 mph
Tue
Sep 22
Showers And Thunderstorms Likely
66 °F
/ 54°F
Wind 12 to 17 mph
Wed
Sep 23
Showers And Thunderstorms Likely
65 °F
/ 53°F
Wind 16 mph
Thu
Sep 24
Chance Showers And Thunderstorms
67 °F
/ 52°F
Wind 10 mph

This Week in Southwest Greensburg

Saturday looks like the warmest upcoming period in Southwest Greensburg at 79 degrees F.

Thursday Night is the coolest period ahead with temperatures near 52 degrees F.

The strongest winds are forecast for Tuesday Night at about 14 to 18 mph E.

Precipitation is mentioned in 12 upcoming forecast periods.

Forecast Details

Last updated
Sep 18, 2026 3:42 PM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
PBZ
Radar station
KPBZ

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

Open NOAA source

Extended Forecast

Tonight
Sep 18
57°F
Partly Cloudy
2 to 7 mph NE

Partly cloudy, with a low around 57. Northeast wind 2 to 7 mph.

Saturday
Sep 19
79°F
Partly Sunny
5 mph E

Partly sunny, with a high near 79. East wind around 5 mph.

Saturday Night
Sep 19
64°F
Mostly Cloudy then Chance Showers And Thunderstorms
5 to 9 mph SE

A chance of rain showers between 1am and 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Sunday
Sep 20
78°F
Showers And Thunderstorms
6 to 12 mph SW

Showers and thunderstorms. Mostly cloudy, with a high near 78. Southwest wind 6 to 12 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night
Sep 20
60°F
Showers And Thunderstorms
9 mph N

Showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Monday
Sep 21
70°F
Chance Rain Showers
12 mph NE

A chance of rain showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.

Monday Night
Sep 21
57°F
Showers And Thunderstorms Likely
13 mph E

A chance of rain showers before 8pm, then showers and thunderstorms likely. Cloudy, with a low around 57. Chance of precipitation is 70%.

Tuesday
Sep 22
66°F
Showers And Thunderstorms Likely
12 to 17 mph E

Showers and thunderstorms likely. Cloudy, with a high near 66. Chance of precipitation is 70%.

Tuesday Night
Sep 22
54°F
Showers And Thunderstorms Likely
14 to 18 mph E

Showers and thunderstorms likely. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.

Wednesday
Sep 23
65°F
Showers And Thunderstorms Likely
16 mph E

Showers and thunderstorms likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

Wednesday Night
Sep 23
53°F
Chance Showers And Thunderstorms
9 to 17 mph E

A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

Thursday
Sep 24
67°F
Chance Showers And Thunderstorms
10 mph E

A chance of showers and thunderstorms. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.

Thursday Night
Sep 24
52°F
Chance Rain Showers
3 to 10 mph NE

A chance of rain showers. Mostly cloudy, with a low around 52.

Detailed Forecast

Period Conditions Temp Wind
This Afternoon
Sep 18
Slight Chance Rain Showers
76°F
8 mph
N
Tonight
Sep 18
Partly Cloudy
57°F
2 to 7 mph
NE
Saturday
Sep 19
Partly Sunny
79°F
5 mph
E
Saturday Night
Sep 19
Mostly Cloudy then Chance Showers And Thunderstorms
64°F
5 to 9 mph
SE
Sunday
Sep 20
Showers And Thunderstorms
78°F
6 to 12 mph
SW
Sunday Night
Sep 20
Showers And Thunderstorms
60°F
9 mph
N
Monday
Sep 21
Chance Rain Showers
70°F
12 mph
NE
Monday Night
Sep 21
Showers And Thunderstorms Likely
57°F
13 mph
E
Tuesday
Sep 22
Showers And Thunderstorms Likely
66°F
12 to 17 mph
E
Tuesday Night
Sep 22
Showers And Thunderstorms Likely
54°F
14 to 18 mph
E
Wednesday
Sep 23
Showers And Thunderstorms Likely
65°F
16 mph
E
Wednesday Night
Sep 23
Chance Showers And Thunderstorms
53°F
9 to 17 mph
E
Thursday
Sep 24
Chance Showers And Thunderstorms
67°F
10 mph
E
Thursday Night
Sep 24
Chance Rain Showers
52°F
3 to 10 mph
NE
Southwest-greensburg-pennsylvania-veterans-memorial
Southwest-greensburg-pennsylvania-veterans-memorial 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.