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WeatherLive › Pennsylvania › Mount Joy

Mount Joy, PA Weather (17552)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherMount Joy · 11:51 AM EDT
31° | 18°
29°C
Feels like 30°
Sunny
WindW 6 mph · Gusts 8 mph
Precip8% · –
Humidity55% · Dew point 19°
UV index8 Very high
Air Quality50 Good
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:21 AM · 7:57 PM · 13h 36m

Weather map — Mount Joy

Full radar →
Now
29°
2%
6 mph
12:00
30°
1%
6 mph
13:00
31°
1%
5 mph
14:00
31°
1%
6 mph
15:00
31°
2%
6 mph
16:00
29°
5%
8 mph
17:00
28°
11%
8 mph
18:00
28°
13%
4 mph
19:00
27°
14%
1 mph
20:00
26°
14%
3 mph
21:00
25°
14%
3 mph
22:00
24°
10%
4 mph
23:00
23°
20%
3 mph
00:00
23°
16%
3 mph
01:00
22°
14%
3 mph
02:00
22°
16%
2 mph
03:00
21°
44%
4 mph
04:00
21°
27%
3 mph
05:00
21°
28%
2 mph
06:00
21°
19%
2 mph
07:00
21°
29%
3 mph
08:00
21°
27%
3 mph
09:00
21°
24%
6 mph
10:00
21°
27%
9 mph

Today · Wed 8/19

High 31°
8% / –

Sunny. Winds W at 8 mph.

Tonight · Wed 8/19

Low 21°
14% / –

Mostly cloudy. Winds S at 3 mph.

Tomorrow · Thu 8/20

23° | 17°
45% / 0.02 in

Mostly cloudy. Winds N at 15 mph.

7-day trend

Mount Joy · temperature + precipitation

10-day forecast

Updated 11:51 AM

Details & indices

Wind
6 mph W
Gusts 8 mph
Humidity
55%
Dew point 19°
Pressure
29.91 inHg
Rising
UV index
8 — Very high
High today
Air Quality
Good
AQI 50 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Mount Joy

🌿 Conditions right now

View all →
Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
Very high
Ragweed
Low

Sun & moon

Sunrise6:21 AM
Sunset7:57 PM
Length of day13h 36m
Moonrise1:55 PM
Moonset11:14 PM
Moon phase🌓 First Quarter · 46%
Next full moonAug 28 Sturgeon Moon
Latitude40.1098°N
Longitude-76.5033°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Philadelphia
Sunny
25° 🌤️
Pittsburgh
—
—
Data sources · Wednesday, August 19
Where the Mount Joy forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 40.1098°N, -76.5033°.
NBM + global weather models
Updated: 11:51 AM
Weather in Mount Joy
The 10-day span for Mount Joy runs from a high near 31° on Wednesday down to 14° overnight on Friday. Roughly 3.2 in of rain falls over the period, with Friday the most likely wet day (94%). Expect a blustery spell — gusts near 26 mph on Sunday. The NWS alert board for this area is currently clear. Right now Mount Joy is running about 62° warmer than Washington. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Mount Joy, PA · Elev 381 ft · 40.11°N, 76.50°W · Pennsylvania · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 11:51 AM