Observed 4:55 PM EDT at KDCA

Accokeek, MD weather

Sunny and 63°17°, jacket by 8 PM.

Mostly agree

Now 63°17°

Sunny

Wind: 6 mph9 km/h; From the southeast. Up to 6 mph9 km/h through 5 AM
Dew point: 41°5°; Comfortable
UV tomorrow: 4Moderate; Moderate 11 AM–5 PM · peak 4
Air quality: 36Good; Ozone · tomorrow moderate
Pressure: 30.5 inHg1033 hPa; Falling slowly · −0.02 inHg−0.8 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 41°5° tomorrow at 7 AM
Above 50°10° tomorrow by 10 AM
High 65°18° tomorrow at 3 PM

TonightDown to 43°6° by 4 AM · Clear
Tomorrow morningUp to 56°13° by 11 AM · Clear
Tomorrow afternoonUp to 66°19° by 5 PM · Clear
Tomorrow nightDown to 43°6° by 5 AM · Clear
Monday morningUp to 57°14° by 11 AM · Clear
Monday afternoonUp to 69°21° by 4 PM · 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 5p	Partly sunny	63°17° (likely 59°15° to 63°17°)	63°17°	0%	5 mph8 km/h from E, gusts 9 mph14 km/h	46%	19%	1
Sat 6p	Mostly clear	61°16° (likely 56°13° to 61°16°)	61°16°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	51%	16%	0
Sat 7p	Mostly clear	57°14° (likely 52°11° to 57°14°)	57°14°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	64%	14%	0
Sat 8p	Mostly clear	55°13° (likely 50°10° to 55°13°)	55°13°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	69%	33%	0
Sat 9p	Mostly clear	52°11° (likely 49°9° to 52°11°)	52°11°	0%	5 mph8 km/h from E, gusts 8 mph12 km/h	77%	25%	0
Sat 10p	Partly cloudy	51°11° (likely 48°9° to 51°11°)	51°11°	0%	5 mph8 km/h from E, gusts 9 mph14 km/h	80%	51%	0
Sat 11p	Partly cloudy	50°10° (likely 48°9° to 51°11°)	49°9°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	83%	29%	0
Sun 12a	Partly cloudy	49°9° (likely 47°8° to 50°10°)	48°9°	0%	3 mph5 km/h from E, gusts 7 mph12 km/h	86%	20%	0
Sun 1a	Clear	48°9° (likely 47°8° to 48°9°)	47°8°	0%	3 mph5 km/h from E, gusts 5 mph8 km/h	89%	2%	0
Sun 2a	Clear	44°7° (likely 44°7° to 47°8°)	42°6°	0%	3 mph5 km/h from NE, gusts 5 mph7 km/h	96%	1%	0
Sun 3a	Clear	44°7° (likely 44°7° to 45°7°)	44°7°	0%	2 mph3 km/h from NE, gusts 5 mph8 km/h	96%	5%	0
Sun 4a	Mostly clear	43°6° (likely 43°6° to 45°7°)	43°6°	0%	2 mph3 km/h from NE, gusts 5 mph8 km/h	96%	22%	0
Sun 5a	Partly cloudy	43°6° (likely 43°6° to 45°7°)	41°5°	0%	3 mph5 km/h from NE, gusts 5 mph8 km/h	96%	28%	0
Sun 6a	Clear	42°6° (likely 42°6° to 47°8°)	40°4°	0%	3 mph5 km/h from NE, gusts 6 mph9 km/h	96%	41%	0
Sun 7a	Mostly sunny	41°5° (likely 41°5° to 47°8°)	39°4°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	100%	43%	0
Sun 8a	Partly sunny	42°6° (likely 42°6° to 47°8°)	40°4°	0%	3 mph5 km/h from NE, gusts 5 mph8 km/h	100%	28%	0
Sun 9a	Mostly sunny	46°8° (likely 46°8° to 51°11°)	45°7°	0%	3 mph5 km/h from NE, gusts 7 mph11 km/h	96%	10%	1
Sun 10a	Mostly sunny	51°11° (likely 51°11° to 57°14°)	51°11°	0%	3 mph5 km/h from NE, gusts 8 mph13 km/h	86%	10%	2
Sun 11a	Mostly sunny	56°13° (likely 56°13° to 62°17°)	56°13°	0%	2 mph3 km/h from E, gusts 8 mph13 km/h	74%	10%	3
Sun 12p	Mostly sunny	59°15° (likely 59°15° to 63°17°)	59°15°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	62%	9%	4
Sun 1p	Sunny	62°17° (likely 62°17° to 65°18°)	62°17°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	56%	5%	4
Sun 2p	Sunny	64°18° (likely 63°17° to 66°19°)	64°18°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	50%	5%	4
Sun 3p	Sunny	65°18° (likely 64°18° to 67°19°)	65°18°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	48%	8%	4
Sun 4p	Sunny	65°18° (likely 64°18° to 67°19°)	65°18°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	50%	7%	3
Sun 5p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	2 mph3 km/h from SE, gusts 5 mph8 km/h	48%	8%	1
Sun 6p	Clear	62°17° (likely 59°15° to 62°17°)	62°17°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	54%	2%	0
Sun 7p	Clear	59°15° (likely 54°12° to 59°15°)	59°15°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	62%	11%	0
Sun 8p	Clear	56°13° (likely 50°10° to 56°13°)	56°13°	0%	3 mph5 km/h from E, gusts 5 mph9 km/h	69%	0%	0
Sun 9p	Clear	52°11° (likely 49°9° to 52°11°)	52°11°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	77%	0%	0
Sun 10p	Clear	50°10° (likely 48°9° to 51°11°)	50°10°	0%	1 mph2 km/h from SE, gusts 6 mph9 km/h	83%	1%	0
Sun 11p	Clear	48°9° (likely 47°8° to 50°10°)	48°9°	0%	1 mph2 km/h from SE, gusts 6 mph9 km/h	86%	1%	0
Mon 12a	Clear	47°8° (likely 46°8° to 48°9°)	47°8°	0%	1 mph2 km/h from S, gusts 4 mph6 km/h	89%	2%	0
Mon 1a	Clear	46°8° (likely 44°7° to 47°8°)	46°8°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	93%	0%	0
Mon 2a	Clear	44°7° (likely 44°7° to 46°8°)	44°7°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	96%	0%	0
Mon 3a	Clear	44°7° (likely 43°6° to 45°7°)	44°7°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	96%	2%	0
Mon 4a	Clear	44°7° (likely 43°6° to 45°7°)	44°7°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	96%	1%	0
Mon 5a	Clear	43°6° (likely 42°6° to 44°7°)	43°6°	0%	2 mph3 km/h from W, gusts 5 mph7 km/h	96%	9%	0
Mon 6a	Clear	42°6° (likely 41°5° to 43°6°)	42°6°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	100%	13%	0
Mon 7a	Sunny	42°6° (likely 41°5° to 43°6°)	42°6°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	100%	22%	0
Mon 8a	Sunny	43°6° (likely 40°4° to 43°6°)	43°6°	0%	2 mph3 km/h from W, gusts 5 mph7 km/h	96%	24%	0
Mon 9a	Sunny	47°8° (likely 42°6° to 48°9°)	47°8°	0%	2 mph3 km/h from W, gusts 5 mph9 km/h	89%	22%	1
Mon 10a	Sunny	53°12° (likely 49°9° to 55°13°)	53°12°	0%	2 mph3 km/h from W, gusts 8 mph12 km/h	77%	13%	2
Mon 11a	Sunny	57°14° (likely 55°13° to 60°16°)	57°14°	0%	3 mph5 km/h from W, gusts 8 mph13 km/h	72%	12%	3
Mon 12p	Sunny	61°16° (likely 61°16° to 63°17°)	61°16°	0%	3 mph5 km/h from W, gusts 8 mph13 km/h	62%	0%	4
Mon 1p	Sunny	64°18° (likely 64°18° to 65°18°)	64°18°	0%	5 mph8 km/h from NW, gusts 9 mph14 km/h	54%	0%	4
Mon 2p	Sunny	66°19° (likely 66°19° to 68°20°)	66°19°	0%	5 mph8 km/h from NW, gusts 9 mph15 km/h	50%	0%	4
Mon 3p	Sunny	68°20° (likely 67°19° to 69°21°)	68°20°	0%	5 mph8 km/h from NW, gusts 10 mph17 km/h	47%	0%	4
Mon 4p	Sunny	69°21° (likely 67°19° to 69°21°)	69°21°	0%	5 mph8 km/h from NW, gusts 10 mph16 km/h	45%	0%	3

Days ahead

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

Today, Oct 24. Partly sunny. High 64°18°, low 40°4°. Typical 66°19° / 49°9°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Mostly clear, 55°13°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 64. East wind around 5 mph.
Tonight: Mostly clear, with a low around 40. Northeast wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–64°18°
Low, likely
37°3°–40°4°
Typical high / low
66°19° / 49°9°
Wind
7 mph11 km/h, gusts 14 mph23 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 66°19°, low 42°6°. Typical 66°19° / 49°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Official NWS forecast
Day: Sunny, with a high near 66. East wind around 3 mph.
Night: Clear, with a low around 42. South wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
42°6°–45°7°
Typical high / low
66°19° / 49°9°
Wind
6 mph10 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 69°21°, low 53°12°. Typical 66°19° / 48°9°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Official NWS forecast
Day: Sunny, with a high near 69. West wind around 5 mph.
Night: Mostly clear, with a low around 53.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–69°21°
Low, likely
40°4°–53°12°
Typical high / low
66°19° / 48°9°
Wind
6 mph10 km/h, gusts 13 mph21 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 69°21°, low 47°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, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 69.
Night: Mostly clear, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–70°21°
Low, likely
47°8°–51°11°
Typical high / low
65°18° / 48°9°
Wind
8 mph13 km/h, gusts 20 mph31 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 67°19°, low 48°9°. Typical 65°18° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 67.
Night: Mostly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–67°19°
Low, likely
43°6°–48°9°
Typical high / low
65°18° / 48°9°
Wind
6 mph10 km/h, gusts 17 mph28 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 71°22°, low 49°9°. Typical 65°18° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 71.
Night: Mostly clear, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–71°22°
Low, likely
46°8°–49°9°
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 74°23°, low 52°11°. Typical 64°18° / 47°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  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 74.
Night: Mostly clear, with a low around 52.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
73°23°–75°24°
Low, likely
47°8°–52°11°
Typical high / low
64°18° / 47°8°
Wind
6 mph9 km/h, gusts 24 mph38 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 72°22°, low 50°10°. Typical 64°18° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–74°23°
Low, likely
47°8°–52°11°
Typical high / low
64°18° / 46°8°
Wind
7 mph12 km/h, gusts 25 mph40 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 70°21°, low 53°12°. Typical 64°18° / 46°8°. Rain 0.02 in0.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 70°21°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 65°18°
  30% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 63°17°
  30% chance · 0.05 in1.2 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
64°18°–75°24°
Low, likely
52°11°–55°13°
Typical high / low
64°18° / 46°8°
Wind
9 mph15 km/h, gusts 20 mph32 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 73°23°, low 61°16°. Typical 63°17° / 46°8°. Rain 0.11 in2.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 65°18°
  30% chance · 0.02 in0.4 mm
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 68°20°
  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
65°18°–79°26°
Low, likely
57°14°–70°21°
Typical high / low
63°17° / 46°8°
Wind
15 mph25 km/h, gusts 37 mph59 km/h

10 days15 days30 days

The outlook

Today
Dry, high 64°, low 40°.
Tomorrow
Dry, high 66°, low 42°.
Monday
Dry, high 69°, low 53°, warming up.
Rest of week
Mostly dry, highs 67–74°.

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

For your home

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

Heating this week

About 57% less heating than a typical week.

This week 25Typical 59

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 18
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 5 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 41°F).

Open the windows?

Sun, 1:00 PM–6:00 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 2°1° 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

Accokeek 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 23 min less
Golden hour: 5:40–6:34 PM; Morning 7:09–8:03 AM
Blue hour: 6:34–6:44 PM; Morning 6:59–7:09 AM; first light 6:59 AM

Stars tonight? Fair

Mostly clear 12–5 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

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

Looking west from Accokeek. The highest point on the skyline is about 3,300 ft, 18 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.