New York, NY 72° Los Angeles, CA 64° Chicago, IL 65° Houston, TX 76° 🌤️ Miami, FL Phoenix, AZ 84° 🌤️ Seattle, WA Denver, CO 52° Toronto, ON 72° 🌤️ Vancouver, BC
WeatherLive › Maryland › Adelphi

Adelphi, MD Weather (20783)

ZIP codes: 20783 · 20903
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherAdelphi · 10:45 AM EDT
93° | 50°
80°F
Feels like 83°
Rain
WindS 25 mph · Gusts 27 mph
Precip84% · 3.62 in
Humidity82% · Dew point 74°
UV index6 High
Air Quality42 Good
Pressure30.27 inHg
Visibility6 mi
Sunrise / Sunset6:23 AM · 8:00 PM · 13h 37m

Weather map — Adelphi

Full radar →
Now
80°
0.28 in
25 mph
11:00
83°
0.28 in
23 mph
12:00
85°
0.28 in
22 mph
13:00
86°
0.28 in
21 mph
14:00
93°
0.28 in
21 mph
15:00
88°
0.28 in
21 mph
16:00
50°
20%
20 mph
17:00
50°
13%
21 mph
18:00
50°
15%
20 mph
19:00
50°
7%
20 mph
20:00
51°
11%
18 mph
21:00
51°
8%
18 mph
22:00
51°
19%
19 mph
23:00
50°
8%
19 mph
00:00
50°
9%
18 mph
01:00
50°
8%
18 mph
02:00
50°
8%
17 mph
03:00
50°
21%
17 mph
04:00
50°
20%
13 mph
05:00
50°
20%
13 mph
06:00
50°
7%
12 mph
07:00
50°
9%
12 mph
08:00
50°
7%
15 mph
09:00
50°
19%
13 mph

Today · Mon 8/17

High 93°
84% / 3.62 in

Rain. Winds SE at 28 mph.

Tonight · Mon 8/17

Low 50°
8% / –

Sunny. Winds S at 18 mph.

Tomorrow · Tue 8/18

52° | 50°
15% / –

Mostly cloudy. Winds S at 18 mph.

7-day trend

Adelphi · temperature + precipitation

10-day forecast

Updated 10:45 AM

Details & indices

Wind
25 mph S
Gusts 27 mph
Humidity
82%
Dew point 74°
Pressure
30.27 inHg
Rising
UV index
6 — High
High today
Air Quality
Good
AQI 42 · US EPA
Allergy
Low
Mugwort
Visibility
6 mi
Clear view
Allergy — Adelphi

🌿 Conditions right now

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

Sun & moon

Sunrise6:23 AM
Sunset8:00 PM
Length of day13h 37m
Moonrise11:45 AM
Moonset10:18 PM
Moon phase🌒 Waxing Crescent · 26%
Next full moonAug 28 Sturgeon Moon
Latitude39.0032°N
Longitude-76.9719°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
Poor
Line-drying weather
Grilling
Poor
Fire up the grill
Running
Poor
Lace up outside
Patio
Poor
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Baltimore
—
—
Data sources · Monday, August 17
Where the Adelphi 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: 39.0032°N, -76.9719°.
NBM + global weather models
Updated: 10:45 AM
Weather in Adelphi
Over the next 10 days Adelphi tops out around 93° (Monday) and dips to 48° on the coolest night (Friday). Models drop roughly 4.2 in of precipitation across the stretch — watch Tuesday (90%). Hold onto the patio furniture Tuesday: gusts could hit 46 mph. The NWS alert board for this area is currently clear. Right now Adelphi is running about 15° warmer than Allentown. Longer view: variable mid-latitude weather in every season.
Adelphi, MD · Elev 171 ft · 39.00°N, 76.97°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: 10:45 AM