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Mercersburg, PA Hourly Weather

Hourly forecast · Mercersburg

The next 48 hours in detail — temperature, feels-like, precipitation chance, wind and UV for every hour. Built on NWS NBM and global model guidance.

48 hours — Mercersburg

Today + 10-day →
Time Conditions Temp Precip Wind UV
Tuesday 1/9
02:00
Light rain 24° 0.03 in 3 mph W 0
03:00
Light rain 23° 0.03 in 2 mph W 0
04:00
Light rain 23° 0.03 in 3 mph W 0
05:00
Light rain 23° 0.03 in 2 mph W 0
06:00
Light rain 23° 0.04 in 2 mph W 0
07:00
Mostly cloudy 21° 2 mph W 0
08:00
Partly cloudy 22° 2 mph W 1
09:00
Partly cloudy 24° 3 mph W 2
10:00
Sunny 26° 5 mph W 3
11:00
Mostly cloudy 29° 8 mph W 5
12:00
Mostly cloudy 30° 8 mph W 6
13:00
Sunny 27° 6 mph W 2
14:00
Sunny 32° 7 mph W 8
15:00
Partly cloudy 34° 10 mph W 6
16:00
Mostly cloudy 34° 11 mph W 4
17:00
Partly cloudy 34° 11 mph NW 2
18:00
Thunderstorms 32° 10 mph NW 1
19:00
Thunderstorms 31° 6 mph NW 0
20:00
Mostly cloudy 28° 4 mph NW 0
21:00
Mostly cloudy 28° 3 mph NW 0
22:00
Sunny 27° 3 mph W 0
23:00
Sunny 26° 3 mph NW 0
Wednesday 2/9
00:00
Sunny 26° 3 mph NW 0
01:00
Mostly cloudy 25° 3 mph W 0
02:00
Mostly cloudy 25° 3 mph W 0
03:00
Mostly cloudy 24° 2 mph NW 0
04:00
Mostly cloudy 25° 2 mph W 0
05:00
Mostly cloudy 25° 1 mph NW 0
06:00
Mostly cloudy 25° 2 mph NW 0
07:00
Mostly cloudy 25° 2 mph W 0
08:00
Mostly cloudy 24° 2 mph NW 0
09:00
Mostly cloudy 25° 2 mph NE 2
10:00
Partly cloudy 28° 2 mph E 3
11:00
Partly cloudy 30° 2 mph NE 5
12:00
Thunderstorms 32° 0.02 in 1 mph NW 7
13:00
Thunderstorms 32° 4 mph NE 8
14:00
Thunderstorms 32° 0.00 in 5 mph NE 7
15:00
Sunny 33° 3 mph N 6
16:00
Sunny 35° 3 mph NW 4
17:00
Sunny 35° 2 mph NW 2
18:00
Thunderstorms 34° 0 mph S 1
19:00
Thunderstorms 33° 2 mph SE 0
20:00
Showers 29° 0.12 in 8 mph SE 0
21:00
Rain 25° 0.03 in 5 mph SE 0
22:00
Fog 24° 0.01 in 5 mph SE 0
23:00
Showers 23° 0.02 in 3 mph E 0
Thursday 3/9
00:00
Fog 22° 3 mph E 0
01:00
Showers 22° 0.04 in 3 mph SE 0
Hourly
How the hourly forecast is made
Hour-by-hour numbers come from NOAA's National Blend of Models combined with ECMWF and GFS guidance, bias-corrected against nearby station observations and refreshed every hour.
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 2:40 AM