Boston, PA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Boston, PA.

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Current Conditions — Boston, PA

PITTSBURGH/ALLEG (KAGC)

Mostly Clear

78.8 F
Humidity:34%
Wind Speed: 13.8 mph
Barometer:29.79 in
Dewpoint:48.2 F
Visibility:10.00 mi
Precip:--
Heat Index:77.9 F
Wind Chill:NA
Apr 24 2026, 02:20 PM EDT
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5-Day Forecast — Boston, PA

Friday

High 84 °F
Slight Chance of Showers
Friday
Night
Low 60 °F
T-storms Likely
Saturday

High 71 °F
T-storms
Saturday
Night
Low 48 °F
Chance of Rain
Sunday

High 66 °F
Mostly Cloudy
Sunday
Night
Low 44 °F
Partly Sunny
Monday

High 73 °F
Partly Sunny
Monday
Night
Low 51 °F
Chance of Rain
Tuesday

High 75 °F
T-storms Likely

Detailed Forecast — Boston, PA

Friday
Slight Chance of Showers. High near 84°F. Wind 5 to 8 mph, with gusts as high as 16 mph.
Friday Night
Thunderstorms Likely. Low around 60°F. Wind 2 to 5 mph, with gusts as high as 10 mph.
Saturday
Thunderstorms. High near 71°F. Wind 6 to 9 mph, with gusts as high as 16 mph.
Saturday Night
Chance of Rain. Low around 48°F. Wind 6 to 7 mph, with gusts as high as 15 mph.
Sunday
Mostly Cloudy. High near 66°F. Wind 6 to 7 mph, with gusts as high as 14 mph.
Sunday Night
Partly Sunny. Low around 44°F. Wind 3 to 6 mph, with gusts as high as 13 mph.
Monday
Partly Sunny. High near 73°F. Wind 5 to 7 mph, with gusts as high as 14 mph.
Monday Night
Chance of Rain. Low around 51°F. Wind 8 to 9 mph, with gusts as high as 18 mph.
Tuesday
Thunderstorms Likely. High near 75°F. Wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Chance of Rain. Low around 53°F. Wind 3 to 7 mph, with gusts as high as 13 mph.
Wednesday
Chance of Thunderstorms. High near 71°F. Wind 5 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Chance of Showers. Low around 46°F. Wind 3 to 6 mph, with gusts as high as 12 mph.
Thursday
Chance of Thunderstorms. High near 69°F. Wind 6 to 12 mph, with gusts as high as 18 mph.
PA Radar
Current Radar • PA
Day 1 Outlook • April 24, 2026

Observation History — Boston, PA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
02:20 PM EDT 13.8 10.00 Mostly Clear -- 78.8 48.2 34% NA 77.9 29.79 1008.8
02:10 PM EDT W 10.4 10.00 Mostly Clear -- 78.8 48.2 34% NA 77.9 29.78 1008.5
02:05 PM EDT W 11.5 10.00 Mostly Clear -- 78.8 50.0 37% NA 78.1 29.79 1008.8
02:00 PM EDT SW 12.7 10.00 Mostly Clear -- 78.8 48.2 34% NA 77.9 29.79 1008.8
01:50 PM EDT W 11.5 9.00 Mostly Clear -- 78.8 48.2 34% NA 77.9 29.79 1008.8
01:45 PM EDT 16.1 8.00 Partly Cloudy -- 78.8 48.2 34% NA 77.9 29.79 1008.8
01:35 PM EDT 12.7 10.00 Mostly Cloudy -- 77.0 48.2 36% NA 76.1 29.79 1008.8
01:30 PM EDT 9.2 10.00 Partly Cloudy -- 78.8 48.2 34% NA 77.9 29.79 1008.8
01:25 PM EDT W 9.2 9.00 Mostly Clear -- 78.8 48.2 34% NA 77.9 29.79 1008.8
01:20 PM EDT SW 11.5 9.00 Mostly Clear -- 78.8 46.4 32% NA 77.9 29.80 1009.1
01:15 PM EDT W 8.1 10.00 Mostly Clear -- 77.0 46.4 34% NA 75.9 29.80 1009.1
01:10 PM EDT 9.2 10.00 Partly Cloudy -- 78.8 48.2 34% NA 77.9 29.80 1009.1
01:00 PM EDT 8.1 10.00 Mostly Cloudy -- 75.2 48.2 38% NA 74.3 29.81 1009.5
12:45 PM EDT SW 12.7 10.00 Mostly Cloudy -- 77.0 46.4 34% NA 75.9 29.81 1009.5
12:35 PM EDT 10.00 Partly Cloudy -- 78.8 48.2 34% NA 77.9 29.81 1009.5
12:30 PM EDT W 8.1 10.00 Mostly Clear -- 77.0 % NA NA 29.81 1009.5
12:20 PM EDT W 8.1 10.00 Partly Cloudy -- 77.0 48.2 36% NA 76.1 29.82 1009.8
12:15 PM EDT 11.5 9.00 Partly Cloudy -- 75.2 % NA NA 29.82 1009.8
12:10 PM EDT SW 11.5 G 17.3 9.00 Partly Cloudy -- 75.2 % NA NA 29.82 1009.8
11:53 AM EDT 6.9 G 20.8 10.00 Mostly Clear -- 75.0 % NA NA 29.82 1009.8
11:35 AM EDT NW 5.7 10.00 Clear -- 75.2 48.2 38% NA 74.3 29.82 1009.8
11:30 AM EDT W 9.2 10.00 Mostly Clear -- 75.2 50.0 41% NA 74.3 29.82 1009.8
11:25 AM EDT NW 8.1 10.00 Mostly Clear -- 75.2 48.2 38% NA 74.3 29.82 1009.8
11:20 AM EDT NW 6.9 10.00 Clear -- 75.2 50.0 41% NA 74.3 29.82 1009.8

Regional Weather Observation

PITTSBURGH/ALLEG (KAGC)

Mostly Clear
78.8 F

PITTSBURGH (KPIT)

Partly Cloudy
80.6 F

BEAVER FALLS ARP (KBVI)

Mostly Cloudy
82.8 F

WASHINGTON (KAFJ)

Mostly Cloudy
78.8 F

LATROBE/WESTMORL (KLBE)

Mostly Clear
78.8 F

WHEELING (KHLG)

Mostly Clear
78.8 F
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