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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
Sunday 30/8
04:00
Partly cloudy 67° 2 mph S 0
05:00
Sunny 66° 2 mph S 0
06:00
Sunny 65° 2 mph S 0
07:00
Sunny 64° 0 mph S 0
08:00
Sunny 68° 3 mph S 0
09:00
Sunny 73° 5 mph S 1
10:00
Partly cloudy 78° 6 mph S 3
11:00
Partly cloudy 82° 7 mph S 5
12:00
Sunny 86° 7 mph SW 7
13:00
Sunny 86° 6 mph SW 8
14:00
Partly cloudy 89° 5 mph SW 8
15:00
Sunny 89° 6 mph SW 5
16:00
Mostly cloudy 90° 11 mph SW 2
17:00
Mostly cloudy 82° 7 mph S 1
18:00
Sunny 82° 4 mph S 1
19:00
Mostly cloudy 83° 3 mph SE 0
20:00
Mostly cloudy 77° 1 mph S 0
21:00
Mostly cloudy 76° 1 mph NW 0
22:00
Mostly cloudy 75° 2 mph NW 0
23:00
Mostly cloudy 77° 2 mph N 0
Monday 31/8
00:00
Mostly cloudy 77° 1 mph NW 0
01:00
Mostly cloudy 77° 4 mph N 0
02:00
Mostly cloudy 73° 5 mph N 0
03:00
Mostly cloudy 70° 5 mph N 0
04:00
Mostly cloudy 68° 5 mph N 0
05:00
Mostly cloudy 68° 5 mph N 0
06:00
Partly cloudy 68° 4 mph N 0
07:00
Partly cloudy 68° 5 mph N 0
08:00
Mostly cloudy 67° 5 mph NE 0
09:00
Mostly cloudy 70° 5 mph NE 1
10:00
Mostly cloudy 75° 2 mph NE 3
11:00
Mostly cloudy 78° 1 mph NE 3
12:00
Partly cloudy 76° 1 mph NW 4
13:00
Partly cloudy 83° 2 mph NW 2
14:00
Sunny 87° 3 mph NW 2
15:00
Partly cloudy 90° 1 mph SW 1
16:00
Partly cloudy 86° 7 mph W 2
17:00
Mostly cloudy 84° 5 mph NW 2
18:00
Partly cloudy 84° 4 mph N 1
19:00
Partly cloudy 79° 2 mph NE 0
20:00
Partly cloudy 77° 0.01 in 3 mph NE 0
21:00
Showers 75° 0.01 in 4 mph NE 0
22:00
Partly cloudy 74° 0.01 in 2 mph E 0
23:00
Partly cloudy 73° 0.01 in 2 mph N 0
Tuesday 1/9
00:00
Partly cloudy 72° 0.01 in 3 mph N 0
01:00
Partly cloudy 71° 0.01 in 2 mph S 0
02:00
Fog 71° 0.00 in 2 mph S 0
03:00
Fog 71° 2 mph S 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: 4:14 AM