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WeatherLive › Maryland › Johnston Square

Johnston Square, MD Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherJohnston Square · 7:17 PM EDT
91° | 70°
87°F
Feels like 91°
Sunny
WindW 12 mph · Gusts 19 mph
Precip60% · 0.13 in
Humidity51% · Dew point 67°
UV index7 High
Air Quality47 Good
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:30 AM · 7:45 PM · 13h 15m

Weather map — Johnston Square

Full radar →
Now
87°
2%
12 mph
20:00
82°
10%
8 mph
21:00
80°
16%
3 mph
22:00
74°
0.06 in
5 mph
23:00
75°
0.06 in
4 mph
00:00
74°
0.06 in
0 mph
01:00
72°
35%
6 mph
02:00
72°
30%
4 mph
03:00
72°
30%
4 mph
04:00
72°
27%
4 mph
05:00
72°
29%
3 mph
06:00
72°
29%
2 mph
07:00
72°
28%
3 mph
08:00
73°
26%
3 mph
09:00
74°
15%
4 mph
10:00
76°
21%
4 mph
11:00
79°
15%
4 mph
12:00
82°
14%
4 mph
13:00
83°
13%
4 mph
14:00
84°
12%
5 mph
15:00
85°
12%
6 mph
16:00
83°
13%
7 mph
17:00
82°
15%
7 mph
18:00
81°
14%
7 mph

Today · Thu 8/27

High 91°
60% / 0.13 in

Mostly cloudy. Winds S at 15 mph.

Tonight · Thu 8/27

Low 72°
16% / –

Mostly cloudy. Winds NE at 3 mph.

Tomorrow · Fri 8/28

85° | 72°
66% / 0.07 in

Mostly cloudy. Winds NE at 9 mph.

7-day trend

Johnston Square · temperature + precipitation

10-day forecast

Updated 7:17 PM

Details & indices

Wind
12 mph W
Gusts 19 mph
Humidity
51%
Dew point 67°
Pressure
29.91 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 47 · US EPA
Allergy
High
Mugwort
Visibility
6 mi
Clear view
Allergy — Johnston Square

🌿 Conditions right now

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

Sun & moon

Sunrise6:30 AM
Sunset7:45 PM
Length of day13h 15m
Moonrise7:33 PM
Moonset5:47 AM
Moon phase🌕 Full Moon · 100%
Next full moonAug 28 Sturgeon Moon
Latitude39.3035°N
Longitude-76.6062°E

Water temps nearby

View all →
No beaches within 50 miles
🌦️Dry now — rain moving in around 8:45 PM (88 min)
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Poor
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Baltimore
Sunny
89°
Data sources · Thursday, August 27
Where the Johnston Square 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: 39.3035°N, -76.6062°.
NBM + global weather models
Updated: 7:17 PM
Weather in Johnston Square
Johnston Square's outlook: warmest day near 99° (Tuesday), coldest night about 67° (Saturday). Models drop roughly 2.5 in of precipitation across the stretch — watch Wednesday (72%). Wind is the one to watch: gusts to 26 mph around Thursday. Heads up: 2 NWS alerts are active right now, including a Small Craft Advisory — details on the alerts tab. Right now Johnston Square is running about 19° warmer than Trenton. Longer view: variable mid-latitude weather in every season.
Johnston Square, MD · Elev 115 ft · 39.30°N, 76.61°W · Maryland · 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: 7:17 PM