New York, NY 70° Los Angeles, CA 64° 🌤️ Chicago, IL Houston, TX 76° 🌤️ Miami, FL 🌤️ Phoenix, AZ Seattle, WA 58° 🌤️ Denver, CO Toronto, ON 59° Vancouver, BC 60°
WeatherLive › Maryland › Cabin John

Cabin John, MD Weather (20818)

ZIP codes: 20818 · 20812 · 20817
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherCabin John · 9:15 AM EDT
91° | 69°
77°F
Feels like 80°
Mostly cloudy
WindN 6 mph · Gusts 11 mph
Precip44% · 0.03 in
Humidity73% · Dew point 67°
UV index7 High
Air Quality73 Moderate
Pressure29.97 inHg
Visibility6 mi
Sunrise / Sunset6:26 AM · 7:57 PM · 13h 31m

Weather map — Cabin John

Full radar →
Now
77°
13%
6 mph
10:00
81°
5%
4 mph
11:00
85°
7%
5 mph
12:00
86°
11%
4 mph
13:00
89°
4%
9 mph
14:00
88°
8%
9 mph
15:00
89°
12%
10 mph
16:00
91°
11%
13 mph
17:00
76°
58%
6 mph
18:00
77°
16%
2 mph
19:00
79°
36%
5 mph
20:00
77°
19%
8 mph
21:00
74°
24%
8 mph
22:00
72°
11%
8 mph
23:00
71°
12%
6 mph
00:00
71°
22%
6 mph
01:00
74°
41%
3 mph
02:00
71°
0.02 in
2 mph
03:00
71°
37%
1 mph
04:00
71°
38%
3 mph
05:00
71°
40%
4 mph
06:00
70°
23%
4 mph
07:00
70°
29%
5 mph
08:00
71°
29%
5 mph

Today · Thu 8/20

High 91°
44% / 0.03 in

Sunny. Winds W at 13 mph.

Tonight · Thu 8/20

Low 70°
24% / –

Partly cloudy. Winds N at 8 mph.

Tomorrow · Fri 8/21

81° | 70°
86% / 0.33 in

Mostly cloudy. Winds E at 8 mph.

7-day trend

Cabin John · temperature + precipitation

10-day forecast

Updated 9:15 AM

Details & indices

Wind
6 mph N
Gusts 11 mph
Humidity
73%
Dew point 67°
Pressure
29.97 inHg
Rising
UV index
7 — High
High today
Air Quality
Moderate
AQI 73 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Cabin John

🌿 Conditions right now

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

Sun & moon

Sunrise6:26 AM
Sunset7:57 PM
Length of day13h 31m
Moonrise2:56 PM
Moonset—
Moon phase🌓 First Quarter · 54%
Next full moonAug 28 Sturgeon Moon
Latitude38.9754°N
Longitude-77.1580°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
Fair
Line-drying weather
Grilling
Great
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Baltimore
—
—
Data sources · Thursday, August 20
Where the Cabin John 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: 38.9754°N, -77.1580°.
NBM + global weather models
Updated: 9:15 AM
Weather in Cabin John
The 10-day span for Cabin John runs from a high near 91° on Thursday down to 61° overnight on Thursday. Roughly 2.6 in of rain falls over the period, with Wednesday the most likely wet day (92%). Hold onto the patio furniture Thursday: gusts could hit 27 mph. No watches or warnings are active for the area right now. Right now Cabin John is about 17° cooler than nearby Baltimore. Longer view: variable mid-latitude weather in every season.
Cabin John, MD · Elev 171 ft · 38.98°N, 77.16°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: 9:15 AM