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WeatherLive › Maryland › Severn

Severn, MD Weather (21144)

ZIP codes: 21144 · 21077 · 21076
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSevern · 2:38 AM EDT
90° | 68°
71°F
Feels like 74°
Sunny
WindNW 4 mph · Gusts 10 mph
Precip4% · –
Humidity80% · Dew point 65°
UV index9 Very high
Air Quality44 Good
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:23 AM · 7:57 PM · 13h 34m

Weather map — Severn

Full radar →
Now
71°
9%
4 mph
03:00
70°
9%
4 mph
04:00
69°
9%
5 mph
05:00
69°
9%
4 mph
06:00
68°
9%
4 mph
07:00
68°
10%
4 mph
08:00
70°
10%
4 mph
09:00
73°
8%
4 mph
10:00
77°
5%
4 mph
11:00
85°
4%
3 mph
12:00
87°
2%
4 mph
13:00
88°
1%
5 mph
14:00
89°
1%
6 mph
15:00
89°
0%
7 mph
16:00
90°
0%
8 mph
17:00
89°
1%
7 mph
18:00
89°
1%
6 mph
19:00
87°
9%
4 mph
20:00
84°
6%
4 mph
21:00
83°
10%
2 mph
22:00
82°
11%
3 mph
23:00
82°
5%
4 mph
00:00
80°
12%
5 mph
01:00
79°
13%
5 mph

Today · Wed 8/19

High 90°
4% / –

Sunny. Winds W at 8 mph.

Overnight · Wed 8/19

Low 68°
9% / –

Sunny. Winds NW at 4 mph.

Tomorrow · Thu 8/20

80° | 71°
51% / 0.04 in

Mostly cloudy. Winds N at 7 mph.

7-day trend

Severn · temperature + precipitation

10-day forecast

Updated 2:38 AM

Details & indices

Wind
4 mph NW
Gusts 10 mph
Humidity
80%
Dew point 65°
Pressure
29.91 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Good
AQI 44 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Severn

🌿 Conditions right now

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

Sun & moon

Sunrise6:23 AM
Sunset7:57 PM
Length of day13h 34m
Moonrise1:53 PM
Moonset11:19 PM
Moon phase🌓 First Quarter · 42%
Next full moonAug 28 Sturgeon Moon
Latitude39.1371°N
Longitude-76.6983°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}}
🌤️
Baltimore
—
—
Data sources · Wednesday, August 19
Where the Severn 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: 39.1371°N, -76.6983°.
NBM + global weather models
Updated: 2:38 AM
Weather in Severn
Severn's outlook: warmest day near 90° (Wednesday), coldest night about 65° (Friday). About 0.63 in of precipitation is expected in total; the most likely wet day is Tuesday (80% chance). No active NWS alerts at the moment — quiet on the hazards front. Right now Severn is about 19° cooler than nearby Richmond. Longer view: variable mid-latitude weather in every season.
Severn, MD · Elev 161 ft · 39.14°N, 76.70°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: 2:38 AM