MARTINSBURG, PA 16662 Weather Forecast & Current Conditions

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ALTOONA, PA
Current Weather

8:53 AM EDT JUL 21, 2026
Clear
75°F
Feels Like: 75°F
Dewpoint: 68°F
Rel. Hum.: 79%
Visibility: 9 miles
Wind: WSW at 9 mph
Pressure: 29.83 inches
Last 72 hours

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MARTINSBURG, PA 16662
Weather Forecast

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TODAY
Mostly cloudy. A chance of showers and thunderstorms this morning, then showers with thunderstorms likely this afternoon. Some thunderstorms may be severe with damaging winds this afternoon. Highs around 80. Southwest winds 5 to 10 mph. Gusts up to 25 mph this afternoon. Chance of rain 90 percent.
TONIGHT
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Some thunderstorms may be severe with damaging winds. Locally heavy rainfall possible in the evening. Humid with lows in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
WEDNESDAY
Mostly sunny. Highs in the mid 70s. West winds 5 to 10 mph with gusts up to 25 mph.
WEDNESDAY NIGHT
Mostly clear. Cooler with lows in the lower 50s. Northwest winds 10 to 15 mph.
THURSDAY
Sunny. Highs in the mid 70s. North winds around 5 mph.
THURSDAY NIGHT
Clear. Lows in the mid 50s.
FRIDAY
Mostly sunny. Highs in the upper 70s.
FRIDAY NIGHT
Partly cloudy. Lows in the upper 50s.
SATURDAY
Mostly sunny. Highs around 80.
SATURDAY NIGHT
Partly cloudy. Lows in the lower 60s.
SUNDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.
SUNDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40 percent.
MONDAY
Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Chance of rain 50 percent.

Visible Weather Satellite
MARTINSBURG, PA 16662
Infrared Weather Satellite
MARTINSBURG, PA 16662
NEXRAD Weather Radar
MARTINSBURG, PA 16662

ALTOONA, PA 3 hourly weather forecast

weather forecast created  8:00 PM EDT  7/20/2026
Tuesday
21 JUL 2026
MARTINSBURG, PA 16662 weather forecast Day 1, 0 hours 2 AM 69° 69° Mostly Cloudy 6%

0% Thunder
( 8% severe)
S   7 81% 63°
Low 67° MARTINSBURG, PA 16662 weather forecast Day 1, 3 hours 5 AM 68° 68° Mostly Cloudy S   8 90% 65°
High 81° MARTINSBURG, PA 16662 weather forecast Day 1, 6 hours 8 AM 70° 70° Mostly Cloudy 33%
RAIN
.01–.1 in
0% Thunder
( 24% severe)
SSW   8 90% 67°

Mostly Cloudy

Rain Likely

MARTINSBURG, PA 16662 weather forecast Day 1, 9 hours 11 AM 77° 79° Mostly Cloudy SSW   10 76% 69°
MARTINSBURG, PA 16662 weather forecast Day 1, 12 hours 2 PM 77° 79° Mostly Cloudy 77%
RAIN
***
0% Thunder
( 46% severe)
SW   12 76% 69°
MARTINSBURG, PA 16662 weather forecast Day 1, 15 hours 5 PM 76° 77° Mostly Cloudy SW   12 76% 68°
MARTINSBURG, PA 16662 weather forecast Day 1, 18 hours 8 PM 73° 73° Mostly Cloudy 53%
RAIN
***
0% Thunder
( 30% severe)
W   12 84% 68°
MARTINSBURG, PA 16662 weather forecast Day 1, 21 hours 11 PM 68° 68° Partly Cloudy SSW   9 97% 67°
Wednesday
22 JUL 2026
MARTINSBURG, PA 16662 weather forecast Day 2, 0 hours 2 AM 68° 68° Partly Cloudy 15%
RAIN
.01–.1 in
0% Thunder
( 6% severe)
SW   7 97% 67°
Low 64° MARTINSBURG, PA 16662 weather forecast Day 2, 3 hours 5 AM 66° 66° Partly Cloudy SW   7 100% 66°
High 75° MARTINSBURG, PA 16662 weather forecast Day 2, 6 hours 8 AM 68° 68° Partly Cloudy 5%

0% Thunder
( 7% severe)
W   9 93% 66°

Partly Cloudy



MARTINSBURG, PA 16662 weather forecast Day 2, 9 hours 11 AM 71° 71° Partly Cloudy WNW   12 76% 63°
MARTINSBURG, PA 16662 weather forecast Day 2, 12 hours 2 PM 74° 74° Partly Cloudy 1%

0% Thunder
( 6% severe)
WNW   15 62% 60°
MARTINSBURG, PA 16662 weather forecast Day 2, 15 hours 5 PM 74° 74° Partly Cloudy WNW   14 55% 57°
MARTINSBURG, PA 16662 weather forecast Day 2, 18 hours 8 PM 68° 68° Clear 1%

0% Thunder
( 1% severe)
NW   12 63% 55°
MARTINSBURG, PA 16662 weather forecast Day 2, 21 hours 11 PM 61° 60° Partly Cloudy NW   9 78% 54°

ALTOONA, PA extended weather forecast

Thursday
23 JUL 2026
Friday
24 JUL 2026
Saturday
25 JUL 2026
Sunday
26 JUL 2026
Monday
27 JUL 2026
Low 51° Low 53° Low 57° Low 59° Low 64°
High 76° High 80° High 79° High 80° High 82°
MARTINSBURG, PA 16662 weather forecast Day 3 MARTINSBURG, PA 16662 weather forecast Day 4 MARTINSBURG, PA 16662 weather forecast Day 5 MARTINSBURG, PA 16662 weather forecast Day 6 MARTINSBURG, PA 16662 weather forecast Day 7
Clear
10% Rain
Partly Cloudy
11% Rain
Partly Cloudy
28% Rain
Partly Cloudy
34% Rain
Mostly Cloudy
54% Rain
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