Observed 11:30 AM EDT at KDCA

Marlow Heights, MD weather

Sunny and 57°14°, jacket by 7 PM.

Mostly agree

Now 57°14°

Sunny

Wind: 6 mph9 km/h; From the north-northeast. Up to 6 mph10 km/h through 11 PM
Dew point: 43°6°; Comfortable
UV index: 4Moderate; Moderate until 5 PM
Air quality: 43Good; PM2.5 (fine particles) · tomorrow moderate
Pressure: 30.56 inHg1035 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

4°2° cooler than this time yesterday (60°16° then, 56°13° now)

Good hours for

High 63°17° today at 2 PM
Below 50°10° tonight after 9 PM
Low 41°5° tonight at 5 AM
Above 50°10° tomorrow by 10 AM
Fog Monday 7–9 AM

This afternoonUp to 63°17° by 2 PM · Clear
TonightDown to 41°5° by 5 AM · Clear
Tomorrow morningUp to 58°14° by 11 AM · Clear
Tomorrow afternoonUp to 66°19° by 2 PM · Clear
Tomorrow nightDown to 42°6° by 5 AM · Clear
Monday morningUp to 53°12° by 10 AM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 11a	Mostly sunny	56°13° (likely 55°13° to 56°13°)	56°13°	0%	6 mph10 km/h from NE, gusts 9 mph15 km/h	64%	10%	3
Sat 12p	Sunny	59°15° (likely 58°14° to 59°15°)	59°15°	0%	6 mph10 km/h from E, gusts 11 mph18 km/h	53%	12%	4
Sat 1p	Sunny	61°16° (likely 59°15° to 62°17°)	61°16°	0%	6 mph10 km/h from E, gusts 9 mph14 km/h	48%	15%	4
Sat 2p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	6 mph10 km/h from E, gusts 8 mph13 km/h	43%	21%	4
Sat 3p	Mostly sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	5 mph8 km/h from E, gusts 8 mph12 km/h	43%	18%	4
Sat 4p	Mostly sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	6 mph10 km/h from E, gusts 7 mph12 km/h	44%	18%	3
Sat 5p	Mostly sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	6 mph10 km/h from E, gusts 8 mph13 km/h	46%	17%	1
Sat 6p	Mostly clear	58°14° (likely 56°13° to 59°15°)	58°14°	0%	5 mph8 km/h from E, gusts 9 mph14 km/h	55%	14%	0
Sat 7p	Clear	54°12° (likely 53°12° to 55°13°)	54°12°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	64%	8%	0
Sat 8p	Clear	50°10° (likely 50°10° to 53°12°)	49°9°	0%	3 mph5 km/h from NE, gusts 6 mph10 km/h	74%	16%	0
Sat 9p	Mostly clear	49°9° (likely 49°9° to 52°11°)	49°9°	0%	2 mph3 km/h from NE, gusts 7 mph11 km/h	80%	26%	0
Sat 10p	Mostly clear	47°8° (likely 47°8° to 51°11°)	47°8°	0%	2 mph3 km/h from E, gusts 8 mph13 km/h	86%	23%	0
Sat 11p	Clear	46°8° (likely 46°8° to 50°10°)	46°8°	0%	2 mph3 km/h from E, gusts 8 mph12 km/h	89%	16%	0
Sun 12a	Clear	44°7° (likely 44°7° to 50°10°)	44°7°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	96%	18%	0
Sun 1a	Clear	44°7° (likely 44°7° to 48°9°)	44°7°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	96%	9%	0
Sun 2a	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	1 mph2 km/h from NE, gusts 6 mph9 km/h	100%	12%	0
Sun 3a	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	1 mph2 km/h from NE, gusts 6 mph9 km/h	100%	2%	0
Sun 4a	Clear	42°6° (likely 42°6° to 46°8°)	42°6°	0%	2 mph3 km/h from NE, gusts 6 mph9 km/h	100%	2%	0
Sun 5a	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	2 mph3 km/h from NE, gusts 6 mph9 km/h	100%	8%	0
Sun 6a	Clear	41°5° (likely 41°5° to 44°7°)	41°5°	0%	2 mph3 km/h from NE, gusts 6 mph10 km/h	100%	8%	0
Sun 7a	Mostly sunny	41°5° (likely 41°5° to 44°7°)	41°5°	0%	2 mph3 km/h from NE, gusts 7 mph11 km/h	100%	20%	0
Sun 8a	Mostly sunny	41°5° (likely 41°5° to 45°7°)	41°5°	0%	2 mph3 km/h from NE, gusts 7 mph11 km/h	100%	21%	0
Sun 9a	Sunny	48°9° (likely 46°8° to 50°10°)	48°9°	0%	2 mph3 km/h from NE, gusts 6 mph10 km/h	83%	9%	1
Sun 10a	Mostly sunny	54°12° (likely 53°12° to 55°13°)	54°12°	0%	2 mph3 km/h from NE, gusts 8 mph12 km/h	71%	17%	2
Sun 11a	Mostly sunny	58°14° (likely 57°14° to 59°15°)	58°14°	0%	2 mph3 km/h from NE, gusts 7 mph12 km/h	62%	15%	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%	7%	4
Sun 1p	Sunny	64°18° (likely 62°17° to 64°18°)	64°18°	0%	2 mph3 km/h from NE, gusts 6 mph9 km/h	48%	9%	4
Sun 2p	Mostly sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	43%	13%	4
Sun 3p	Sunny	66°19° (likely 64°18° to 66°19°)	66°19°	0%	2 mph3 km/h from NE, gusts 5 mph8 km/h	43%	7%	4
Sun 4p	Sunny	66°19° (likely 64°18° to 66°19°)	66°19°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	43%	5%	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%	4%	1
Sun 6p	Clear	62°17° (likely 58°14° to 62°17°)	62°17°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	52%	1%	0
Sun 7p	Clear	56°13° (likely 54°12° to 58°14°)	56°13°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	66%	0%	0
Sun 8p	Clear	53°12° (likely 51°11° to 54°12°)	53°12°	0%	2 mph3 km/h from SE, gusts 6 mph9 km/h	77%	0%	0
Sun 9p	Clear	51°11° (likely 50°10° to 53°12°)	51°11°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	83%	0%	0
Sun 10p	Clear	49°9° (likely 49°9° to 52°11°)	49°9°	0%	0 mph0 km/h, gusts 5 mph7 km/h	86%	0%	0
Sun 11p	Clear	47°8° (likely 47°8° to 50°10°)	47°8°	0%	0 mph0 km/h, gusts 5 mph7 km/h	89%	0%	0
Mon 12a	Clear	46°8° (likely 46°8° to 49°9°)	46°8°	0%	0 mph0 km/h, gusts 6 mph9 km/h	93%	0%	0
Mon 1a	Clear	45°7° (likely 45°7° to 48°9°)	45°7°	0%	1 mph2 km/h from SW, gusts 5 mph8 km/h	93%	0%	0
Mon 2a	Clear	44°7° (likely 44°7° to 47°8°)	44°7°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	96%	0%	0
Mon 3a	Clear	43°6° (likely 43°6° to 46°8°)	43°6°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	100%	0%	0
Mon 4a	Clear	43°6° (likely 43°6° to 45°7°)	43°6°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	100%	16%	0
Mon 5a	Clear	42°6° (likely 42°6° to 44°7°)	42°6°	0%	2 mph3 km/h from W, gusts 6 mph9 km/h	100%	19%	0
Mon 6a	Mostly clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	2 mph3 km/h from W, gusts 5 mph9 km/h	100%	31%	0
Mon 7a	Fog	40°4° (likely 40°4° to 44°7°)	38°3°	0%	3 mph5 km/h from W, gusts 5 mph8 km/h	100%	50%	0
Mon 8a	Fog	42°6° (likely 40°4° to 45°7°)	40°4°	0%	3 mph5 km/h from W, gusts 5 mph9 km/h	100%	45%	0
Mon 9a	Sunny	46°8° (likely 42°6° to 52°11°)	45°7°	0%	3 mph5 km/h from W, gusts 5 mph8 km/h	89%	27%	1
Mon 10a	Sunny	53°12° (likely 49°9° to 57°14°)	53°12°	0%	5 mph8 km/h from W, gusts 6 mph9 km/h	74%	22%	2

Days ahead

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

Today, Oct 24. Mostly sunny. High 63°17°, low 41°5°. Typical 66°19° / 49°9°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Mostly sunny, 63°17°
  Dry
2. Evening
  6 PM–midnight
  Mostly clear, 50°10°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Official NWS forecast
Today: Sunny, with a high near 63. East wind around 6 mph.
Tonight: Patchy fog between 1am and 4am. Mostly clear, with a low around 41. East wind 1 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–63°17°
Low, likely
39°4°–41°5°
Typical high / low
66°19° / 49°9°
Wind
8 mph12 km/h, gusts 15 mph24 km/h
UV peak
4
Tomorrow, Oct 25. Mostly sunny. High 66°19°, low 40°4°. Typical 66°19° / 49°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°6°
  Dry
Official NWS forecast
Day: Sunny, with a high near 66. Northeast wind around 2 mph.
Night: Clear, with a low around 40. Southeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–66°19°
Low, likely
40°4°–44°7°
Typical high / low
66°19° / 49°9°
Wind
6 mph9 km/h
UV peak
4
Monday, Oct 26. Sunny. High 69°21°, low 49°9°. Typical 66°19° / 48°9°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 42°6°
  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: Sunny, with a high near 69. West wind 2 to 6 mph.
Night: Clear, with a low around 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–69°21°
Low, likely
39°4°–49°9°
Typical high / low
66°19° / 48°9°
Wind
7 mph12 km/h, gusts 13 mph21 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 66°19°, low 46°8°. Typical 65°18° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  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 66.
Night: Mostly clear, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–69°21°
Low, likely
46°8°–53°12°
Typical high / low
65°18° / 48°9°
Wind
8 mph13 km/h, gusts 19 mph31 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
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°10°
  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
63°17°–66°19°
Low, likely
44°7°–50°10°
Typical high / low
65°18° / 48°9°
Wind
7 mph10 km/h, gusts 17 mph28 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 70°21°, low 50°10°. Typical 65°18° / 47°8°. Dry. Mostly 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, 58°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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°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 72°22°, low 50°10°. Typical 64°18° / 47°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°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 72.
Night: Mostly clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
72°22°–74°23°
Low, likely
46°8°–51°11°
Typical high / low
64°18° / 47°8°
Wind
10 mph16 km/h, gusts 24 mph38 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 69°21°, low 48°9°. Typical 64°18° / 46°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  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
60°16°–74°23°
Low, likely
45°7°–51°11°
Typical high / low
64°18° / 46°8°
Wind
10 mph15 km/h, gusts 25 mph40 km/h
UV peak
2
Sunday, Nov 1. Cloudy. High 68°20°, low 51°11°. Typical 64°18° / 46°8°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 51°10°
  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, 55°13°
  20% chance · 0.01 in0.3 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°–72°22°
Low, likely
47°8°–55°13°
Typical high / low
64°18° / 46°8°
Wind
8 mph12 km/h, gusts 18 mph29 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 68°20°, low 56°13°. Typical 63°17° / 46°8°. Rain 0.08 in2 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 59°15°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  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
57°14°–76°24°
Low, likely
49°9°–60°16°
Typical high / low
63°17° / 46°8°
Wind
8 mph13 km/h, gusts 17 mph28 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 63°, low 41°.
Tomorrow
Dry, high 66°, low 40°, warming up.
Monday
Dry, high 69°, low 49°, warming up.
Rest of week
Mostly dry, highs 65–72°.

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

Potomac River at Alexandria

5.2 mi

Below flood stage

Level: 1.5 ft

Forecast peak 3.2 ft Sat 7 PM, action stage

Reading from Sat 10:24 AM · NWS gauge page

Washington Channel at SW Waterfront (IN MLLW)

5.5 mi

Below flood stage

Level: 2.6 ft

Forecast peak 4.7 ft Sat 7 PM, action stage

Reading from Sat 10:36 AM · NWS gauge page

Anacostia River at Buzzard Point in Washington DC

4.7 mi

Level: 1.4 ft

Reading from Sat 10:05 AM · NWS gauge page

Watts Branch at Washington

5.5 mi

Below flood stage

Level: 4.1 ft
Flow: 1 cfs

Reading from Sat 10:08 AM · NWS gauge page

For your home

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

Heating this week

About 53% less heating than a typical week.

This week 27Typical 59

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 22
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 10 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 43°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

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

Sun & moon

Sun

Daylight: 10 h 51 min; Losing 2 min 21 s a day; shortest Dec 21, 1 h 24 min less
Golden hour: 5:40–6:33 PM; Morning 7:09–8:03 AM
Blue hour: 6:33–6:44 PM; Morning 6:59–7:09 AM; first light 6:59 AM

Stars tonight? Fair

Mostly clear 10 PM–7 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:39 AM · rises 5:13 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Marlow Heights. The highest point on the skyline is about 3,000 ft, 19 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Marlow Heights, MD weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Potomac River at Alexandria

Washington Channel at SW Waterfront (IN MLLW)

Anacostia River at Buzzard Point in Washington DC

Watts Branch at Washington

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon