Observed 10:55 AM EDT at KDCA

Somerset, MD weather

Sunny and 55°13°, jacket by 7 PM.

Mostly agree

Now 55°13°

Sunny

Wind: 8 mph13 km/h; From the north-northeast. Up to 8 mph13 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
Fog tonight 2–3 AM
Low 40°4° tonight at 5 AM
Above 50°10° tomorrow by 10 AM

This afternoonUp to 63°17° by 2 PM · Clear
TonightDown to 40°4° by 5 AM · Clear
Tomorrow morningUp to 58°14° by 11 AM · Clear
Tomorrow afternoonUp to 67°19° by 3 PM · Clear
Tomorrow nightDown to 42°6° by 5 AM · Clear
Monday morningUp to 53°12° by 10 AM · 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 11a	Sunny	55°13° (likely 55°13° to 57°14°)	55°13°	0%	5 mph8 km/h from NE, gusts 9 mph15 km/h	64%	8%	3
Sat 12p	Sunny	59°15° (likely 57°14° to 59°15°)	59°15°	0%	6 mph10 km/h from E, gusts 10 mph16 km/h	51%	10%	4
Sat 1p	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	6 mph10 km/h from E, gusts 9 mph14 km/h	46%	12%	4
Sat 2p	Sunny	63°17° (likely 59°15° to 63°17°)	63°17°	0%	6 mph10 km/h from SE, gusts 8 mph13 km/h	43%	13%	4
Sat 3p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	43%	14%	4
Sat 4p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	5 mph8 km/h from SE, gusts 7 mph12 km/h	43%	16%	3
Sat 5p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	44%	14%	1
Sat 6p	Clear	60°16° (likely 55°13° to 60°16°)	60°16°	0%	5 mph8 km/h from E, gusts 9 mph15 km/h	49%	15%	0
Sat 7p	Clear	54°12° (likely 51°11° to 55°13°)	54°12°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	61%	10%	0
Sat 8p	Clear	52°11° (likely 48°9° to 52°11°)	52°11°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	69%	1%	0
Sat 9p	Clear	49°9° (likely 47°8° to 50°10°)	49°9°	0%	2 mph3 km/h from NE, gusts 7 mph11 km/h	77%	4%	0
Sat 10p	Clear	47°8° (likely 46°8° to 50°10°)	47°8°	0%	1 mph2 km/h from NE, gusts 7 mph11 km/h	83%	23%	0
Sat 11p	Mostly clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	89%	17%	0
Sun 12a	Clear	45°7° (likely 44°7° to 48°9°)	45°7°	0%	1 mph2 km/h from E, gusts 6 mph9 km/h	89%	13%	0
Sun 1a	Clear	43°6° (likely 43°6° to 46°8°)	43°6°	0%	1 mph2 km/h from NE, gusts 5 mph8 km/h	96%	13%	0
Sun 2a	Fog	42°6° (likely 42°6° to 46°8°)	42°6°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	29%	0
Sun 3a	Mostly clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	18%	0
Sun 4a	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	1 mph2 km/h from N, gusts 6 mph9 km/h	100%	0%	0
Sun 5a	Clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	100%	1%	0
Sun 6a	Clear	40°4° (likely 39°4° to 43°6°)	40°4°	0%	1 mph2 km/h from N, gusts 5 mph7 km/h	100%	2%	0
Sun 7a	Sunny	40°4° (likely 39°4° to 42°6°)	40°4°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	100%	4%	0
Sun 8a	Sunny	40°4° (likely 39°4° to 43°6°)	40°4°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	100%	8%	0
Sun 9a	Sunny	47°8° (likely 44°7° to 47°8°)	47°8°	0%	1 mph2 km/h from NE, gusts 6 mph9 km/h	86%	8%	1
Sun 10a	Mostly sunny	54°12° (likely 53°12° to 55°13°)	54°12°	0%	1 mph2 km/h from NE, gusts 6 mph9 km/h	69%	13%	2
Sun 11a	Sunny	58°14° (likely 57°14° to 58°14°)	58°14°	0%	2 mph3 km/h from NE, gusts 6 mph10 km/h	62%	8%	3
Sun 12p	Sunny	61°16° (likely 60°16° to 61°16°)	61°16°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	53%	6%	4
Sun 1p	Sunny	64°18° (likely 62°17° to 64°18°)	64°18°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	46%	4%	4
Sun 2p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	43%	7%	4
Sun 3p	Sunny	67°19° (likely 64°18° to 67°19°)	67°19°	0%	1 mph2 km/h from SE, gusts 5 mph7 km/h	40%	7%	4
Sun 4p	Sunny	67°19° (likely 64°18° to 67°19°)	67°19°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	40%	8%	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	43%	7%	1
Sun 6p	Clear	63°17° (likely 59°15° to 63°17°)	63°17°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	48%	0%	0
Sun 7p	Clear	57°14° (likely 54°12° to 57°14°)	57°14°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	62%	1%	0
Sun 8p	Clear	54°12° (likely 51°11° to 55°13°)	54°12°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	74%	1%	0
Sun 9p	Clear	52°11° (likely 49°9° to 53°12°)	52°11°	0%	0 mph0 km/h, gusts 4 mph7 km/h	80%	0%	0
Sun 10p	Clear	50°10° (likely 47°8° to 51°11°)	50°10°	0%	0 mph0 km/h, gusts 4 mph7 km/h	86%	0%	0
Sun 11p	Clear	48°9° (likely 45°7° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 4 mph7 km/h	89%	0%	0
Mon 12a	Clear	46°8° (likely 44°7° to 50°10°)	46°8°	0%	0 mph0 km/h, gusts 5 mph7 km/h	93%	0%	0
Mon 1a	Clear	44°7° (likely 43°6° to 48°9°)	44°7°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	100%	0%	0
Mon 2a	Clear	44°7° (likely 42°6° to 47°8°)	44°7°	0%	1 mph2 km/h from W, gusts 3 mph6 km/h	96%	7%	0
Mon 3a	Clear	43°6° (likely 41°5° to 46°8°)	43°6°	0%	1 mph2 km/h from W, gusts 2 mph4 km/h	100%	13%	0
Mon 4a	Clear	43°6° (likely 41°5° to 45°7°)	43°6°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	100%	13%	0
Mon 5a	Clear	42°6° (likely 41°5° to 44°7°)	42°6°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	100%	13%	0
Mon 6a	Clear	41°5° (likely 40°4° to 44°7°)	41°5°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	100%	18%	0
Mon 7a	Sunny	40°4° (likely 38°3° to 45°7°)	40°4°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	100%	22%	0
Mon 8a	Sunny	41°5° (likely 36°2° to 46°8°)	41°5°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	100%	22%	0
Mon 9a	Sunny	46°8° (likely 40°4° to 52°11°)	45°7°	0%	3 mph5 km/h from W, gusts 6 mph10 km/h	86%	25%	1
Mon 10a	Sunny	53°12° (likely 49°9° to 56°13°)	53°12°	0%	3 mph5 km/h from W, gusts 8 mph13 km/h	71%	2%	2

Days ahead

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

Today, Oct 24. Mostly sunny. High 63°17°, low 40°4°. Typical 66°19° / 49°9°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
2. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
3. Overnight
  midnight–6 AM
  Mostly clear, 40°4°
  Dry
Official NWS forecast
Today: Sunny, with a high near 63. East wind around 6 mph.
Tonight: Patchy fog after 1am. Mostly clear, with a low around 40. Northeast wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–63°17°
Low, likely
37°3°–40°4°
Typical high / low
66°19° / 49°9°
Wind
6 mph10 km/h, gusts 13 mph22 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 67°19°, low 40°4°. Typical 66°19° / 49°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  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, 42°6°
  Dry
Official NWS forecast
Day: Patchy fog before 9am. Sunny, with a high near 67. East wind around 2 mph.
Night: Clear, with a low around 40. Southwest wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
38°3°–42°6°
Typical high / low
66°19° / 49°9°
Wind
6 mph10 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, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  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
66°19°–69°21°
Low, likely
36°2°–49°9°
Typical high / low
66°19° / 48°9°
Wind
7 mph12 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, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  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
64°18°–70°21°
Low, likely
45°7°–52°11°
Typical high / low
65°18° / 48°9°
Wind
8 mph12 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, 46°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, 48°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°–65°18°
Low, likely
41°5°–50°10°
Typical high / low
65°18° / 48°9°
Wind
7 mph12 km/h, gusts 16 mph26 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 69°21°, low 50°10°. Typical 65°18° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°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 69.
Night: Mostly clear, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–69°21°
Low, likely
45°7°–50°10°
Typical high / low
65°18° / 47°8°
Wind
6 mph10 km/h, gusts 22 mph35 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 72°22°, low 49°9°. Typical 64°18° / 47°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 61°16°
  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 72.
Night: Mostly clear, with a low around 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
72°22°–75°24°
Low, likely
45°7°–51°11°
Typical high / low
64°18° / 47°8°
Wind
9 mph14 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, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 52°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
44°7°–51°11°
Typical high / low
64°18° / 46°8°
Wind
10 mph16 km/h, gusts 26 mph41 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 67°19°, low 52°11°. Typical 64°18° / 46°8°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°15°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 55°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°–72°22°
Low, likely
47°8°–55°13°
Typical high / low
64°18° / 46°8°
Wind
7 mph11 km/h, gusts 21 mph33 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 68°20°, low 55°13°. Typical 63°17° / 46°8°. Rain 0.09 in2.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 58°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°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°–75°24°
Low, likely
49°9°–59°15°
Typical high / low
63°17° / 46°8°
Wind
8 mph12 km/h, gusts 16 mph26 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 63°, low 40°.
Tomorrow
Dry, high 67°, low 40°, warming up.
Monday
Dry, high 69°, low 49°.
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 Georgetown / Wisconsin Ave

4.6 mi

Below flood stage

Level: 4.1 ft

Forecast peak 5.5 ft Sat 7 PM, action stage

Reading from Sat 9:54 AM · NWS gauge page

Washington Channel at SW Waterfront (IN MLLW)

7.6 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

Potomac River near Washington DC (Little Falls)

2.1 mi

Below flood stage

Level: 3.1 ft
Flow: 3,510 cfs

Forecast peak 3.1 ft Sat 2 PM

Reading from Sat 9:50 AM · NWS gauge page

Rock Creek at Joyce Road in Washington

3.0 mi

Below flood stage

Level: 1.2 ft
Flow: 14 cfs

Reading from Sat 10:05 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 11 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–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

Somerset 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: 5:40–6:34 PM; Morning 7:10–8:04 AM
Blue hour: 6:34–6:44 PM; Morning 6:59–7:10 AM; first light 6:59 AM

Stars tonight? Fair

Mostly clear 6:44 PM–2 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 Somerset. The highest point on the skyline is about 1,000 ft, 15 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Somerset, 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 Georgetown / Wisconsin Ave

Washington Channel at SW Waterfront (IN MLLW)

Potomac River near Washington DC (Little Falls)

Rock Creek at Joyce Road in 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