MARTINSBURG, PA 16662 Weather Forecast & Current Conditions

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ALTOONA, PA
Current Weather

5:53 AM EDT AUG 18, 2026
Overcast
66°F
Feels Like: 66°F
Dewpoint: 64°F
Rel. Hum.: 93%
Visibility: 10 miles
Wind: Calm
Pressure: 29.94 inches
Last 72 hours

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MARTINSBURG, PA 16662
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Patchy dense fog this morning. Mostly sunny. Highs around 80. Northwest winds 5 to 10 mph.
TONIGHT
Mostly clear. Lows in the upper 50s. West winds 5 to 10 mph.
WEDNESDAY
Sunny in the morning, then becoming partly sunny. Highs in the lower 80s. West winds 5 to 10 mph with gusts up to 20 mph.
WEDNESDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Patchy fog after midnight. Lows in the lower 60s. West winds 5 to 10 mph. Chance of rain 50 percent.
THURSDAY
Mostly cloudy. Patchy fog in the morning. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 70s. North winds around 5 mph. Chance of rain 70 percent.
THURSDAY NIGHT
Mostly cloudy. Showers likely in the evening. Patchy fog after midnight. Lows in the upper 50s. Chance of rain 70 percent.
FRIDAY
Mostly sunny. Highs in the upper 70s.
FRIDAY NIGHT
Partly cloudy. Lows around 60.
SATURDAY
Partly sunny. Showers likely in the afternoon. Highs in the upper 70s. Chance of rain 60 percent.
SATURDAY NIGHT
Mostly cloudy. Showers likely, mainly in the evening. Lows around 60. Chance of rain 60 percent.
SUNDAY
Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50 percent.
SUNDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 50s. Chance of rain 50 percent.
MONDAY
Mostly sunny. Highs in the mid 70s.

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  8/17/2026
Tuesday
18 AUG 2026
MARTINSBURG, PA 16662 weather forecast Day 1, 0 hours 2 AM 66° 66° Partly Cloudy 1%

0% Thunder
( 1% severe)
NNW   2 100% 66°
Low 63° MARTINSBURG, PA 16662 weather forecast Day 1, 3 hours 5 AM 64° 65° Partly Cloudy NNW   3 100% 64°
High 78° MARTINSBURG, PA 16662 weather forecast Day 1, 6 hours 8 AM 65° 65° Partly Cloudy 2%

0% Thunder
( 1% severe)
NNW   2 97% 64°

Partly Cloudy



MARTINSBURG, PA 16662 weather forecast Day 1, 9 hours 11 AM 73° 73° Partly Cloudy NNW   5 73% 64°
MARTINSBURG, PA 16662 weather forecast Day 1, 12 hours 2 PM 78° 80° Partly Cloudy 1%

0% Thunder
( 2% severe)
NW   7 60% 63°
MARTINSBURG, PA 16662 weather forecast Day 1, 15 hours 5 PM 78° 80° Partly Cloudy NW   8 56% 61°
MARTINSBURG, PA 16662 weather forecast Day 1, 18 hours 8 PM 71° 71° Partly Cloudy 0%

0% Thunder
( 2% severe)
WNW   5 71% 61°
MARTINSBURG, PA 16662 weather forecast Day 1, 21 hours 11 PM 63° 64° Partly Cloudy   CALM 90% 60°
Wednesday
19 AUG 2026
MARTINSBURG, PA 16662 weather forecast Day 2, 0 hours 2 AM 60° 61° Partly Cloudy 1%

0% Thunder
( 0% severe)
  CALM 96% 59°
Low 57° MARTINSBURG, PA 16662 weather forecast Day 2, 3 hours 5 AM 59° 60° Partly Cloudy   CALM 96% 58°
High 80° MARTINSBURG, PA 16662 weather forecast Day 2, 6 hours 8 AM 63° 64° Partly Cloudy 0%

0% Thunder
( 2% severe)
  CALM 90% 60°

Mostly Cloudy



MARTINSBURG, PA 16662 weather forecast Day 2, 9 hours 11 AM 75° 75° Partly Cloudy W   7 66% 63°
MARTINSBURG, PA 16662 weather forecast Day 2, 12 hours 2 PM 79° 81° Mostly Cloudy 5%

0% Thunder
( 10% severe)
W   9 58% 63°
MARTINSBURG, PA 16662 weather forecast Day 2, 15 hours 5 PM 79° 81° Mostly Cloudy W   9 60% 64°
MARTINSBURG, PA 16662 weather forecast Day 2, 18 hours 8 PM 73° 73° Mostly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 12% severe)
W   5 73% 64°
MARTINSBURG, PA 16662 weather forecast Day 2, 21 hours 11 PM 67° 67° Mostly Cloudy   CALM 90% 64°

ALTOONA, PA extended weather forecast

Thursday
20 AUG 2026
Friday
21 AUG 2026
Saturday
22 AUG 2026
Sunday
23 AUG 2026
Monday
24 AUG 2026
Low 65° Low 53° Low 56° Low 61° Low 57°
High 74° High 80° High 78° High 77° High 78°
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
Overcast
75% Rain
Clear
12% Rain
Mostly Cloudy
25% Rain
Mostly Cloudy
66% Rain
Partly Cloudy
30% Rain
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