Observed 4:35 PM EDT at KCGS

Largo, MD weather

Partly cloudy and 63°17°, jacket by 8 PM.

Forecasts agree

Now 63°17°

Partly sunny

Wind: 5 mph8 km/h; From the southeast. Light through 5 AM
Dew point: 39°4°; Comfortable
UV tomorrow: 4Moderate; Moderate 11 AM–5 PM · peak 4
Air quality: 36Good; Ozone · tomorrow moderate
Pressure: 30.52 inHg1034 hPa; Falling slowly · −0.03 inHg−0.9 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 40°4° tomorrow at 7 AM
Above 50°10° tomorrow by 10 AM
High 65°18° tomorrow at 3 PM

TonightDown to 41°5° by 5 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonUp to 65°18° by 3 PM · Clear
Tomorrow nightDown to 42°6° by 4 AM · Clear
Monday morningUp to 58°14° by 11 AM · Clear
Monday afternoonUp to 70°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	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	5 mph8 km/h from E, gusts 9 mph14 km/h	46%	8%	1
Sat 6p	Clear	60°16° (likely 55°13° to 60°16°)	60°16°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	49%	4%	0
Sat 7p	Clear	56°13° (likely 52°11° to 56°13°)	56°13°	0%	3 mph5 km/h from E, gusts 6 mph9 km/h	59%	6%	0
Sat 8p	Clear	51°11° (likely 50°10° to 53°12°)	51°11°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	71%	12%	0
Sat 9p	Clear	50°10° (likely 49°9° to 51°11°)	50°10°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	77%	13%	0
Sat 10p	Clear	47°8° (likely 47°8° to 50°10°)	47°8°	0%	2 mph3 km/h from E, gusts 5 mph7 km/h	86%	12%	0
Sat 11p	Clear	47°8° (likely 47°8° to 49°9°)	47°8°	0%	2 mph3 km/h from E, gusts 4 mph7 km/h	86%	12%	0
Sun 12a	Clear	46°8° (likely 46°8° to 47°8°)	46°8°	0%	1 mph2 km/h from NE, gusts 4 mph7 km/h	89%	0%	0
Sun 1a	Clear	45°7° (likely 45°7° to 47°8°)	45°7°	0%	2 mph3 km/h from NE, gusts 3 mph5 km/h	93%	0%	0
Sun 2a	Clear	43°6° (likely 43°6° to 46°8°)	43°6°	0%	2 mph3 km/h from NE, gusts 4 mph6 km/h	96%	4%	0
Sun 3a	Clear	43°6° (likely 43°6° to 46°8°)	43°6°	0%	2 mph3 km/h from NE, gusts 4 mph7 km/h	96%	3%	0
Sun 4a	Clear	42°6° (likely 42°6° to 45°7°)	42°6°	0%	1 mph2 km/h from NE, gusts 5 mph7 km/h	96%	8%	0
Sun 5a	Mostly clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	96%	9%	0
Sun 6a	Mostly clear	41°5° (likely 41°5° to 44°7°)	41°5°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	96%	15%	0
Sun 7a	Sunny	40°4° (likely 40°4° to 45°7°)	40°4°	0%	2 mph3 km/h from N, gusts 5 mph7 km/h	96%	41%	0
Sun 8a	Sunny	41°5° (likely 41°5° to 45°7°)	41°5°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	100%	31%	0
Sun 9a	Mostly sunny	45°7° (likely 45°7° to 49°9°)	45°7°	0%	2 mph3 km/h from NE, gusts 4 mph6 km/h	93%	11%	1
Sun 10a	Sunny	52°11° (likely 52°11° to 56°13°)	52°11°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	74%	4%	2
Sun 11a	Sunny	57°14° (likely 57°14° to 60°16°)	57°14°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	64%	4%	3
Sun 12p	Sunny	59°15° (likely 59°15° to 63°17°)	59°15°	0%	3 mph5 km/h from E, gusts 6 mph9 km/h	60%	4%	4
Sun 1p	Sunny	63°17° (likely 62°17° to 65°18°)	63°17°	0%	3 mph5 km/h from E, gusts 5 mph8 km/h	50%	4%	4
Sun 2p	Sunny	64°18° (likely 63°17° to 66°19°)	64°18°	0%	2 mph3 km/h from E, gusts 5 mph7 km/h	48%	4%	4
Sun 3p	Sunny	65°18° (likely 64°18° to 66°19°)	65°18°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	46%	5%	4
Sun 4p	Sunny	65°18° (likely 64°18° to 66°19°)	65°18°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	46%	3%	3
Sun 5p	Sunny	64°18° (likely 62°17° to 65°18°)	64°18°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	48%	3%	1
Sun 6p	Clear	61°16° (likely 58°14° to 61°16°)	61°16°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	53%	0%	0
Sun 7p	Clear	58°14° (likely 54°12° to 58°14°)	58°14°	0%	2 mph3 km/h from SE, gusts 6 mph9 km/h	59%	0%	0
Sun 8p	Clear	52°11° (likely 51°11° to 54°12°)	52°11°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	74%	1%	0
Sun 9p	Clear	50°10° (likely 49°9° to 53°12°)	50°10°	0%	1 mph2 km/h from SE, gusts 4 mph7 km/h	80%	0%	0
Sun 10p	Clear	48°9° (likely 48°9° to 51°11°)	48°9°	0%	1 mph2 km/h from S, gusts 4 mph6 km/h	83%	0%	0
Sun 11p	Clear	46°8° (likely 46°8° to 50°10°)	46°8°	0%	1 mph2 km/h from S, gusts 4 mph6 km/h	89%	0%	0
Mon 12a	Clear	45°7° (likely 45°7° to 49°9°)	45°7°	0%	2 mph3 km/h from SW, gusts 4 mph7 km/h	93%	0%	0
Mon 1a	Clear	44°7° (likely 44°7° to 48°9°)	44°7°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	96%	0%	0
Mon 2a	Clear	43°6° (likely 43°6° to 46°8°)	43°6°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	96%	1%	0
Mon 3a	Clear	43°6° (likely 43°6° to 45°7°)	43°6°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	96%	1%	0
Mon 4a	Clear	42°6° (likely 42°6° to 45°7°)	42°6°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	96%	1%	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	96%	1%	0
Mon 6a	Clear	41°5° (likely 41°5° to 43°6°)	41°5°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	100%	7%	0
Mon 7a	Sunny	40°4° (likely 40°4° to 43°6°)	40°4°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	100%	16%	0
Mon 8a	Sunny	41°5° (likely 41°5° to 44°7°)	41°5°	0%	2 mph3 km/h from W, gusts 6 mph9 km/h	100%	18%	0
Mon 9a	Sunny	45°7° (likely 44°7° to 48°9°)	44°7°	0%	3 mph5 km/h from W, gusts 7 mph11 km/h	93%	16%	1
Mon 10a	Sunny	52°11° (likely 51°11° to 55°13°)	52°11°	0%	5 mph8 km/h from W, gusts 9 mph15 km/h	77%	0%	2
Mon 11a	Sunny	58°14° (likely 58°14° to 60°16°)	58°14°	0%	5 mph8 km/h from W, gusts 10 mph17 km/h	67%	0%	3
Mon 12p	Sunny	62°17° (likely 62°17° to 63°17°)	62°17°	0%	5 mph8 km/h from W, gusts 11 mph17 km/h	56%	0%	4
Mon 1p	Sunny	65°18° (likely 65°18° to 66°19°)	65°18°	0%	6 mph10 km/h from NW, gusts 10 mph16 km/h	50%	0%	4
Mon 2p	Sunny	67°19° (likely 67°19° to 68°20°)	67°19°	0%	6 mph10 km/h from NW, gusts 10 mph16 km/h	47%	0%	4
Mon 3p	Sunny	69°21° (likely 68°20° to 70°21°)	69°21°	0%	7 mph11 km/h from NW, gusts 11 mph18 km/h	44%	0%	4
Mon 4p	Sunny	70°21° (likely 68°20° to 70°21°)	70°21°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	42%	0%	3

Days ahead

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

Today, Oct 24. Mostly sunny. High 63°17°, low 38°3°. Typical 66°19° / 49°9°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Clear, 51°11°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Official NWS forecast
Today: Sunny, with a high near 63. East wind around 5 mph.
Tonight: Mostly clear, with a low around 38. Northeast wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–63°17°
Low, likely
38°3°–39°4°
Typical high / low
66°19° / 49°9°
Wind
7 mph11 km/h, gusts 14 mph23 km/h
UV peak
4
Tomorrow, Oct 25. Mostly sunny. High 65°18°, low 39°4°. Typical 66°19° / 49°9°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°6°
  Dry
Official NWS forecast
Day: Sunny, with a high near 65. Northeast wind around 3 mph.
Night: Clear, with a low around 39. South wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
64°18°–66°19°
Low, likely
39°4°–43°6°
Typical high / low
66°19° / 49°9°
Wind
5 mph8 km/h
UV peak
4
Monday, Oct 26. Sunny. High 70°21°, low 49°9°. Typical 66°19° / 48°9°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°10°
  Dry
Official NWS forecast
Day: Sunny, with a high near 70. West wind 2 to 7 mph.
Night: Clear, with a low around 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–70°21°
Low, likely
39°4°–49°9°
Typical high / low
66°19° / 48°9°
Wind
6 mph10 km/h, gusts 13 mph22 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 68°20°, 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, 55°13°
  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 68.
Night: Mostly clear, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–69°21°
Low, likely
47°8°–52°11°
Typical high / low
65°18° / 48°9°
Wind
7 mph12 km/h, gusts 19 mph30 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 66°19°, low 48°9°. Typical 65°18° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  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, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 66.
Night: Mostly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–66°19°
Low, likely
45°7°–48°9°
Typical high / low
65°18° / 48°9°
Wind
7 mph10 km/h, gusts 16 mph26 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 71°22°, low 50°10°. Typical 65°18° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°10°
  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 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–71°22°
Low, likely
46°8°–50°10°
Typical high / low
65°18° / 47°8°
Wind
6 mph10 km/h, gusts 23 mph36 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 74°23°, low 51°11°. Typical 64°18° / 47°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  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 51.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
74°23°–75°24°
Low, likely
48°9°–51°11°
Typical high / low
64°18° / 47°8°
Wind
6 mph10 km/h, gusts 23 mph37 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 69°21°, low 50°10°. Typical 64°18° / 46°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–73°23°
Low, likely
46°8°–54°12°
Typical high / low
64°18° / 46°8°
Wind
8 mph12 km/h, gusts 26 mph42 km/h
UV peak
4
Sunday, Nov 1. Drizzle. 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, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 64°18°
  30% chance · 0.05 in1.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 63°17°
  30% chance · 0.06 in1.6 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°–76°24°
Low, likely
50°10°–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 0.14 in3.6 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 65°18°
  20% 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
66°19°–80°27°
Low, likely
57°14°–70°21°
Typical high / low
63°17° / 46°8°
Wind
15 mph24 km/h, gusts 38 mph61 km/h

10 days15 days30 days

The outlook

Today
Dry, high 63°, low 38°.
Tomorrow
Dry, high 65°, low 39°.
Monday
Dry, high 70°, low 49°, warming up.
Rest of week
Mostly dry, highs 66–74°.

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

Rivers

NOAA river gauges within 25 mi

Southwest Branch near Largo / Harry S Truman Dr

0.3 mi

Below flood stage

Level: 1.9 ft

Reading from Sat 3:50 PM · NWS gauge page

Unnamed Tributary above Heritage Glen Dam

0.6 mi

Level: -0.1 ft

Reading from Sat 3:45 PM · NWS gauge page

Unnamed Tributary above Largo Town Center Dam

1.3 mi

Level: -0.5 ft

Reading from Sat 3:55 PM · NWS gauge page

Unnamed Tributary above Northampton Lake Dam in Lake Arbor

1.8 mi

Level: 0.1 ft

Reading from Sat 3:35 PM · 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: 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 10 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 39°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 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

Largo 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 7:09–8:02 AM
Blue hour: 6:33–6:43 PM; Morning 6:58–7:09 AM; first light 6:58 AM

Stars tonight? Fair

Clear 6:43 PM–6:59 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:38 AM · rises 5:12 PM
Full moon: Oct 26
New moon: Nov 9

Looking north from Largo. The highest point on the skyline is about 4,800 ft, 66 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.