Observed 8:55 AM EDT at KCGS

Fairmount Heights, MD weather

Sunny and 44°7°.

Mostly agree

Now 44°7°

Sunny

Wind: 3 mph5 km/h; From the north. Up to 5 mph8 km/h through 9 PM
Dew point: 41°5°; Comfortable
Humidity: 91%; Air 44°7°, dew point 41°5° · fog or dew likely
UV index: 1Low; Moderate 11 AM–5 PM · peak 4
Air quality: 51Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.56 inHg1035 hPa; Rising slowly · +0.04 inHg+1.4 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

11°6° cooler than this time yesterday (55°13° then, 44°7° now)

Good hours for

Above 50°10° today by 10 AM
High 63°17° today at 3 PM
Below 50°10° tonight after 9 PM
Fog tonight 2–3 AM
Low 39°4° tonight at 5 AM

This morningUp to 56°13° by 11 AM · Clear
This afternoonUp to 63°17° by 3 PM · Clear
TonightDown to 39°4° by 5 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonUp to 67°19° by 3 PM · Clear
Tomorrow nightDown to 41°5° by 5 AM · Clear
Monday morningNear 40°4° · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 9a	Sunny	46°8° (likely 41°5° to 48°9°)	45°7°	0%	3 mph5 km/h from NE, gusts 7 mph11 km/h	83%	17%	1
Sat 10a	Sunny	51°11° (likely 49°9° to 53°12°)	51°11°	0%	3 mph5 km/h from NE, gusts 8 mph13 km/h	71%	3%	2
Sat 11a	Sunny	56°13° (likely 54°12° to 57°14°)	56°13°	0%	5 mph8 km/h from E, gusts 10 mph16 km/h	62%	10%	3
Sat 12p	Sunny	59°15° (likely 57°14° to 60°16°)	59°15°	0%	5 mph8 km/h from E, gusts 11 mph18 km/h	55%	18%	4
Sat 1p	Mostly sunny	61°16° (likely 59°15° to 62°17°)	61°16°	0%	5 mph8 km/h from E, gusts 9 mph15 km/h	49%	22%	4
Sat 2p	Sunny	62°17° (likely 61°16° to 63°17°)	62°17°	0%	5 mph8 km/h from E, gusts 9 mph15 km/h	46%	14%	4
Sat 3p	Sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	5 mph8 km/h from E, gusts 8 mph12 km/h	44%	12%	4
Sat 4p	Sunny	62°17° (likely 61°16° to 63°17°)	62°17°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	46%	10%	3
Sat 5p	Sunny	62°17° (likely 60°16° to 62°17°)	62°17°	0%	5 mph8 km/h from E, gusts 8 mph12 km/h	44%	8%	1
Sat 6p	Clear	58°14° (likely 56°13° to 59°15°)	58°14°	0%	3 mph5 km/h from E, gusts 8 mph13 km/h	53%	1%	0
Sat 7p	Clear	53°12° (likely 52°11° to 55°13°)	53°12°	0%	3 mph5 km/h from NE, gusts 6 mph10 km/h	66%	2%	0
Sat 8p	Clear	50°10° (likely 50°10° to 53°12°)	50°10°	0%	2 mph3 km/h from NE, gusts 6 mph10 km/h	77%	5%	0
Sat 9p	Clear	47°8° (likely 47°8° to 52°11°)	47°8°	0%	2 mph3 km/h from NE, gusts 6 mph10 km/h	86%	40%	0
Sat 10p	Mostly clear	45°7° (likely 45°7° to 51°11°)	45°7°	0%	1 mph2 km/h from E, gusts 7 mph12 km/h	93%	27%	0
Sat 11p	Mostly clear	44°7° (likely 44°7° to 49°9°)	44°7°	0%	1 mph2 km/h from E, gusts 6 mph9 km/h	96%	21%	0
Sun 12a	Mostly clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	100%	15%	0
Sun 1a	Clear	41°5° (likely 41°5° to 47°8°)	41°5°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	12%	0
Sun 2a	Fog	41°5° (likely 41°5° to 46°8°)	41°5°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	28%	0
Sun 3a	Clear	40°4° (likely 40°4° to 46°8°)	40°4°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	4%	0
Sun 4a	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	1 mph2 km/h from NE, gusts 5 mph7 km/h	100%	2%	0
Sun 5a	Clear	39°4° (likely 39°4° to 45°7°)	39°4°	0%	1 mph2 km/h from NE, gusts 4 mph7 km/h	100%	7%	0
Sun 6a	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	1 mph2 km/h from N, gusts 4 mph7 km/h	100%	9%	0
Sun 7a	Sunny	39°4° (likely 39°4° to 44°7°)	39°4°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	100%	12%	0
Sun 8a	Sunny	39°4° (likely 39°4° to 44°7°)	39°4°	0%	1 mph2 km/h from NE, gusts 5 mph8 km/h	100%	4%	0
Sun 9a	Sunny	45°7° (likely 45°7° to 49°9°)	45°7°	0%	1 mph2 km/h from N, gusts 7 mph10 km/h	93%	3%	1
Sun 10a	Sunny	52°11° (likely 52°11° to 55°13°)	52°11°	0%	2 mph3 km/h from NE, gusts 8 mph13 km/h	77%	3%	2
Sun 11a	Sunny	57°14° (likely 57°14° to 59°15°)	57°14°	0%	2 mph3 km/h from NE, gusts 9 mph14 km/h	64%	4%	3
Sun 12p	Sunny	61°16° (likely 60°16° to 62°17°)	61°16°	0%	2 mph3 km/h from NE, gusts 7 mph11 km/h	56%	4%	4
Sun 1p	Sunny	63°17° (likely 62°17° to 64°18°)	63°17°	0%	1 mph2 km/h from E, gusts 6 mph9 km/h	52%	14%	4
Sun 2p	Sunny	66°19° (likely 62°17° to 66°19°)	66°19°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	45%	33%	4
Sun 3p	Sunny	67°19° (likely 63°17° to 67°19°)	67°19°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	42%	17%	4
Sun 4p	Sunny	67°19° (likely 63°17° to 67°19°)	67°19°	0%	2 mph3 km/h from E, gusts 5 mph7 km/h	42%	7%	3
Sun 5p	Sunny	66°19° (likely 62°17° to 66°19°)	66°19°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	43%	11%	1
Sun 6p	Clear	62°17° (likely 58°14° to 62°17°)	62°17°	0%	2 mph3 km/h from E, gusts 5 mph7 km/h	52%	7%	0
Sun 7p	Clear	57°14° (likely 53°12° to 58°14°)	57°14°	0%	2 mph3 km/h from E, gusts 3 mph5 km/h	64%	1%	0
Sun 8p	Clear	52°11° (likely 51°11° to 55°13°)	52°11°	0%	2 mph3 km/h from SE, gusts 5 mph8 km/h	80%	0%	0
Sun 9p	Clear	50°10° (likely 50°10° to 53°12°)	50°10°	0%	0 mph0 km/h, gusts 3 mph5 km/h	86%	0%	0
Sun 10p	Clear	48°9° (likely 48°9° to 52°11°)	48°9°	0%	0 mph0 km/h, gusts 2 mph3 km/h	93%	0%	0
Sun 11p	Clear	46°8° (likely 46°8° to 50°10°)	46°8°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	0%	0
Mon 12a	Clear	45°7° (likely 45°7° to 49°9°)	45°7°	0%	0 mph0 km/h, gusts 4 mph7 km/h	96%	0%	0
Mon 1a	Clear	44°7° (likely 44°7° to 49°9°)	44°7°	0%	1 mph2 km/h from W, gusts 5 mph7 km/h	100%	0%	0
Mon 2a	Clear	43°6° (likely 43°6° to 49°9°)	43°6°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	100%	1%	0
Mon 3a	Clear	42°6° (likely 40°4° to 50°10°)	42°6°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	100%	0%	0
Mon 4a	Clear	42°6° (likely 40°4° to 50°10°)	42°6°	0%	2 mph3 km/h from W, gusts 3 mph5 km/h	100%	0%	0
Mon 5a	Clear	41°5° (likely 39°4° to 49°9°)	41°5°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	100%	16%	0
Mon 6a	Clear	39°4° (likely 39°4° to 49°9°)	39°4°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	100%	17%	0
Mon 7a	Sunny	39°4° (likely 38°3° to 48°9°)	39°4°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	100%	25%	0
Mon 8a	Sunny	41°5° (likely 38°3° to 49°9°)	41°5°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	100%	25%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Mostly sunny. High 63°17°, low 39°4°. Typical 66°19° / 49°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Official NWS forecast
Today: Sunny, with a high near 63. East wind around 5 mph.
Tonight: Patchy fog after 11pm. Clear, with a low around 39. Northeast wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–63°17°
Low, likely
37°3°–42°6°
Typical high / low
66°19° / 49°9°
Wind
7 mph12 km/h, gusts 13 mph21 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 67°19°, low 39°4°. Typical 66°19° / 49°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Official NWS forecast
Day: Patchy fog before 9am. Sunny, with a high near 67. Northeast wind around 2 mph.
Night: Clear, with a low around 39. Southeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
39°4°–44°7°
Typical high / low
66°19° / 49°9°
Wind
6 mph10 km/h
UV peak
4
Monday, Oct 26. Sunny. High 70°21°, low 50°10°. Typical 66°19° / 48°9°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70. West wind 2 to 6 mph.
Night: Clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–70°21°
Low, likely
39°4°–50°10°
Typical high / low
66°19° / 48°9°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 67°19°, low 45°7°. Typical 65°18° / 48°9°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 67.
Night: Mostly clear, with a low around 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–70°21°
Low, likely
45°7°–53°12°
Typical high / low
65°18° / 48°9°
Wind
8 mph13 km/h, gusts 20 mph32 km/h
UV peak
4
Wednesday, Oct 28. Mostly cloudy. High 65°18°, low 47°8°. Typical 65°18° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 65.
Night: Mostly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–66°19°
Low, likely
45°7°–49°9°
Typical high / low
65°18° / 48°9°
Wind
7 mph11 km/h, gusts 16 mph25 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 70°21°, low 50°10°. Typical 65°18° / 47°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
Night: Mostly clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–70°21°
Low, likely
46°8°–50°10°
Typical high / low
65°18° / 47°8°
Wind
6 mph9 km/h, gusts 22 mph35 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 73°23°, low 50°10°. Typical 64°18° / 47°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 73.
Night: Mostly clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
73°23°–76°24°
Low, likely
47°8°–51°11°
Typical high / low
64°18° / 47°8°
Wind
9 mph15 km/h, gusts 24 mph38 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 70°21°, low 49°9°. Typical 64°18° / 46°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–75°24°
Low, likely
46°8°–52°11°
Typical high / low
64°18° / 46°8°
Wind
11 mph17 km/h, gusts 26 mph41 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 68°20°, low 51°11°. Typical 64°18° / 46°8°. Rain, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 59°15°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  20% chance · 0.02 in0.4 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–73°23°
Low, likely
44°7°–54°12°
Typical high / low
64°18° / 46°8°
Wind
8 mph13 km/h, gusts 21 mph33 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 69°21°, low 55°13°. Typical 63°17° / 46°8°. Rain 0.05 in1.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  20% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–76°24°
Low, likely
48°9°–59°15°
Typical high / low
63°17° / 46°8°
Wind
8 mph12 km/h, gusts 16 mph26 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 63°, low 39°.
Tomorrow
Dry, high 67°, low 39°, warming up.
Monday
Dry, high 70°, low 50°, warming up.
Rest of week
Mostly dry, highs 65–73°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (LWX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Beaverdam Creek near Cheverly

1.4 mi

Level: 2.9 ft

Reading from Sat 8 AM · NWS gauge page

Watts Branch at Washington

1.5 mi

Below flood stage

Level: 4.1 ft
Flow: 1 cfs

Reading from Sat 8:08 AM · NWS gauge page

Anacostia River at Bladensburg

2.9 mi

Level: 3.7 ft

Reading from Sat 8 AM · NWS gauge page

Hickey Run at National Arboretum

3.1 mi

Level: 0.9 ft
Flow: under 1 cfs

Reading from Sat 8:08 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 51% less heating than a typical week.

This week 29Typical 59

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 23
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 14 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 41°F).

Open the windows?

Today, 1:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Washington Reagan National Airport · official normals 1991–2020 · records 1872–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° colder than typical.

Last 7 days vs normal

On average 2°1° colder than normal (daily mean temperature).

−7°−4°SunOct 18
−4°−2°MonOct 19
+1°±0°TueOct 20
±0°WedOct 21
−1°ThuOct 22
−1°FriOct 23
—SatOct 24

Fairmount Heights weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 50 min; Losing 2 min 21 s a day; shortest Dec 21, 1 h 24 min less
Golden hour: 5:39–6:33 PM; Morning 7:09–8:03 AM
Blue hour: 6:33–6:43 PM; Morning 6:59–7:09 AM; first light 6:59 AM

Stars tonight? Fair

Mostly clear 3–7 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:38 AM · rises 5:13 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Fairmount Heights. The highest point on the skyline is about 3,100 ft, 21 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.