Observed 8:45 AM EDT at KMRB

Mount Briar, MD weather

Sunny and 39°4°.

Forecasts agree

Now 39°4°

Sunny

Wind: 3 mph5 km/h; From the east-northeast. Light through 9 PM
Dew point: 39°4°; Comfortable
Humidity: 100%; Air 39°4°, dew point 39°4° · fog or dew likely
UV index: 1Low; Moderate 11 AM–5 PM · peak 4
Air quality: 5Good; Ozone · tomorrow moderate
Pressure: 30.54 inHg1034 hPa; Rising slowly · +0.04 inHg+1.3 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

5°3° cooler than this time yesterday (40°4° then, 35°2° now)

Good hours for

Above 50°10° today by 11 AM
High 61°16° today at 3 PM
Below 50°10° tonight after 8 PM
Below freezing tonight 5–9 AM (low 31°−1°)
Low 31°−1° tomorrow at 7 AM

This morningUp to 51°11° by 11 AM · Clear
This afternoonUp to 61°16° by 3 PM · Clear
TonightDown to 32°0° by 5 AM · freezing, low 32°0° · Clear
Tomorrow morningUp to 50°10° by 11 AM · freezing, low 31°−1° · Clear
Tomorrow afternoonUp to 64°18° by 4 PM · Clear
Tomorrow nightDown to 36°2° by 5 AM · Clear
Monday morningNear 34°1° · 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 9a	Sunny	41°5° (likely 41°5° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 2 mph4 km/h	85%	9%	1
Sat 10a	Sunny	46°8° (likely 46°8° to 52°11°)	46°8°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	76%	1%	2
Sat 11a	Sunny	51°11° (likely 51°11° to 56°13°)	51°11°	0%	2 mph3 km/h from SE, gusts 10 mph16 km/h	66%	0%	3
Sat 12p	Sunny	55°13° (likely 55°13° to 58°14°)	55°13°	0%	3 mph5 km/h from SE, gusts 11 mph18 km/h	55%	0%	4
Sat 1p	Sunny	58°14° (likely 58°14° to 59°15°)	58°14°	0%	3 mph5 km/h from SE, gusts 11 mph18 km/h	47%	0%	4
Sat 2p	Sunny	60°16° (likely 59°15° to 60°16°)	60°16°	0%	3 mph5 km/h from SE, gusts 11 mph18 km/h	44%	0%	4
Sat 3p	Sunny	61°16° (likely 60°16° to 61°16°)	61°16°	0%	3 mph5 km/h from SE, gusts 9 mph15 km/h	42%	1%	4
Sat 4p	Sunny	61°16° (likely 60°16° to 61°16°)	61°16°	0%	3 mph5 km/h from SE, gusts 9 mph14 km/h	42%	2%	3
Sat 5p	Sunny	60°16° (likely 59°15° to 60°16°)	60°16°	0%	3 mph5 km/h from SE, gusts 9 mph14 km/h	44%	1%	1
Sat 6p	Clear	56°13° (likely 54°12° to 56°13°)	56°13°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	51%	0%	0
Sat 7p	Clear	50°10° (likely 50°10° to 53°12°)	50°10°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	66%	0%	0
Sat 8p	Clear	47°8° (likely 47°8° to 51°11°)	47°8°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	71%	0%	0
Sat 9p	Clear	43°6° (likely 43°6° to 50°10°)	43°6°	0%	1 mph2 km/h from E, gusts 7 mph11 km/h	79%	0%	0
Sat 10p	Clear	42°6° (likely 42°6° to 49°9°)	42°6°	0%	1 mph2 km/h from E, gusts 8 mph12 km/h	82%	0%	0
Sat 11p	Clear	38°3° (likely 38°3° to 48°9°)	38°3°	0%	1 mph2 km/h from E, gusts 8 mph12 km/h	96%	0%	0
Sun 12a	Clear	37°3° (likely 37°3° to 48°9°)	37°3°	0%	0 mph0 km/h, gusts 8 mph12 km/h	100%	0%	0
Sun 1a	Clear	36°2° (likely 36°2° to 48°9°)	36°2°	0%	0 mph0 km/h, gusts 8 mph12 km/h	100%	0%	0
Sun 2a	Clear	35°2° (likely 35°2° to 46°8°)	35°2°	0%	0 mph0 km/h, gusts 7 mph12 km/h	100%	0%	0
Sun 3a	Clear	35°2° (likely 35°2° to 46°8°)	35°2°	0%	0 mph0 km/h, gusts 8 mph12 km/h	100%	0%	0
Sun 4a	Clear	33°1° (likely 33°1° to 46°8°)	33°1°	0%	0 mph0 km/h, gusts 7 mph11 km/h	100%	9%	0
Sun 5a	Clear	32°0° (likely 32°0° to 45°7°)	32°0°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	7%	0
Sun 6a	Clear	32°0° (likely 32°0° to 44°7°)	32°0°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	3%	0
Sun 7a	Clear	31°−1° (likely 31°−1° to 43°6°)	31°−1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	1%	0
Sun 8a	Sunny	31°−1° (likely 31°−1° to 43°6°)	31°−1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	1%	0
Sun 9a	Sunny	38°3° (likely 38°3° to 46°8°)	38°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	96%	10%	1
Sun 10a	Sunny	44°7° (likely 44°7° to 51°11°)	44°7°	0%	0 mph0 km/h, gusts 4 mph6 km/h	86%	4%	2
Sun 11a	Sunny	50°10° (likely 50°10° to 56°13°)	50°10°	0%	0 mph0 km/h, gusts 5 mph8 km/h	74%	8%	3
Sun 12p	Sunny	56°13° (likely 56°13° to 60°16°)	56°13°	0%	2 mph3 km/h from SW, gusts 8 mph13 km/h	62%	9%	4
Sun 1p	Mostly sunny	59°15° (likely 59°15° to 62°17°)	59°15°	0%	2 mph3 km/h from S, gusts 8 mph14 km/h	57%	15%	4
Sun 2p	Sunny	62°17° (likely 60°16° to 63°17°)	62°17°	0%	3 mph5 km/h from S, gusts 8 mph13 km/h	52%	16%	4
Sun 3p	Sunny	63°17° (likely 60°16° to 64°18°)	63°17°	0%	3 mph5 km/h from S, gusts 9 mph14 km/h	50%	5%	4
Sun 4p	Sunny	64°18° (likely 60°16° to 64°18°)	64°18°	0%	3 mph5 km/h from S, gusts 8 mph13 km/h	48%	3%	3
Sun 5p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	2 mph3 km/h from S, gusts 7 mph10 km/h	50%	3%	1
Sun 6p	Clear	60°16° (likely 57°14° to 60°16°)	60°16°	0%	1 mph2 km/h from SE, gusts 5 mph9 km/h	55%	1%	0
Sun 7p	Clear	53°12° (likely 53°12° to 55°13°)	53°12°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	71%	0%	0
Sun 8p	Clear	50°10° (likely 50°10° to 52°11°)	50°10°	0%	1 mph2 km/h from SE, gusts 6 mph9 km/h	80%	0%	0
Sun 9p	Clear	47°8° (likely 47°8° to 51°11°)	47°8°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	86%	0%	0
Sun 10p	Clear	45°7° (likely 45°7° to 51°11°)	45°7°	0%	1 mph2 km/h from SE, gusts 6 mph9 km/h	89%	0%	0
Sun 11p	Clear	43°6° (likely 43°6° to 50°10°)	43°6°	0%	0 mph0 km/h, gusts 6 mph9 km/h	96%	0%	0
Mon 12a	Clear	41°5° (likely 41°5° to 49°9°)	41°5°	0%	0 mph0 km/h, gusts 5 mph9 km/h	100%	0%	0
Mon 1a	Clear	40°4° (likely 40°4° to 48°9°)	40°4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	0%	0
Mon 2a	Clear	40°4° (likely 40°4° to 47°8°)	40°4°	0%	0 mph0 km/h, gusts 3 mph6 km/h	96%	1%	0
Mon 3a	Clear	39°4° (likely 38°3° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 2 mph3 km/h	96%	0%	0
Mon 4a	Clear	38°3° (likely 37°3° to 44°7°)	38°3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	96%	19%	0
Mon 5a	Mostly clear	36°2° (likely 36°2° to 44°7°)	36°2°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	29%	0
Mon 6a	Mostly clear	34°1° (likely 34°1° to 42°6°)	34°1°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	37%	0
Mon 7a	Mostly clear	33°1° (likely 33°1° to 41°5°)	33°1°	0%	1 mph2 km/h from W, gusts 3 mph4 km/h	100%	45%	0
Mon 8a	Mostly sunny	34°1° (likely 34°1° to 41°5°)	34°1°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	100%	48%	0

Days ahead

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

Today, Oct 24. Sunny. High 61°16°, low 31°−1°. Typical 62°17° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 32°0°
  Dry
Official NWS forecast
Today: Sunny, with a high near 61. East wind 0 to 3 mph.
Tonight: Patchy fog after 11pm. Clear, with a low around 31. East wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–61°16°
Low, likely
31°−1°–41°5°
Typical high / low
62°17° / 41°5°
Wind
9 mph14 km/h, gusts 15 mph24 km/h
UV peak
4
Tomorrow, Oct 25. Fog. High 64°18°, low 33°1°. Typical 62°17° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 36°2°
  Dry
Official NWS forecast
Day: Patchy fog before 10am. Sunny, with a high near 64. South wind 0 to 3 mph.
Night: Clear, with a low around 33. South wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–64°18°
Low, likely
33°1°–43°6°
Typical high / low
62°17° / 41°5°
Wind
9 mph14 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 69°21°, low 43°6°. Typical 62°17° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  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, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 69. Northwest wind 0 to 5 mph.
Night: Mostly clear, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–69°21°
Low, likely
36°2°–43°6°
Typical high / low
62°17° / 41°5°
Wind
8 mph13 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 66°19°, low 39°4°. Typical 61°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 66.
Night: Partly cloudy, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–68°20°
Low, likely
39°4°–47°8°
Typical high / low
61°16° / 40°4°
Wind
6 mph10 km/h, gusts 15 mph24 km/h
UV peak
4
Wednesday, Oct 28. Mostly cloudy. High 63°17°, low 42°6°. Typical 61°16° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 63.
Night: Mostly cloudy, with a low around 42.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–63°17°
Low, likely
42°6°–47°8°
Typical high / low
61°16° / 40°4°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 70°21°, low 45°7°. Typical 60°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  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, 47°8°
  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 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–70°21°
Low, likely
43°6°–47°8°
Typical high / low
60°16° / 40°4°
Wind
7 mph11 km/h, gusts 20 mph32 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 72°22°, low 44°7°. Typical 60°16° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  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 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–73°23°
Low, likely
44°7°–47°8°
Typical high / low
60°16° / 39°4°
Wind
14 mph23 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 69°21°, low 44°7°. Typical 60°16° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  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°–75°24°
Low, likely
39°4°–48°9°
Typical high / low
60°16° / 39°4°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 67°19°, low 49°9°. Typical 59°15° / 38°3°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  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
55°13°–71°22°
Low, likely
39°4°–54°12°
Typical high / low
59°15° / 38°3°
Wind
9 mph14 km/h, gusts 17 mph27 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 67°19°, low 51°11°. Typical 59°15° / 38°3°. Rain 0.05 in1.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  20% chance
3. Evening
  6 PM–midnight
  Drizzle, 57°14°
  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
55°13°–75°24°
Low, likely
40°4°–57°14°
Typical high / low
59°15° / 38°3°
Wind
10 mph16 km/h, gusts 16 mph25 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 31°.
Tomorrow
Dry, high 64°, low 33°, warming up.
Monday
Dry, high 69°, low 43°, warming up.
Rest of week
Mostly dry, highs 63–72°.

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

Antietam Creek near Sharpsburg

2.3 mi

Below flood stage

Level: 2.4 ft
Flow: 105 cfs

Forecast peak 2.3 ft Sat 2 PM

Reading from Sat 7:15 AM · NWS gauge page

Potomac River at Shepherdstown

6.1 mi

Below flood stage

Level: 2.4 ft
Flow: 1,960 cfs

Forecast peak 2.4 ft Sat 2 PM

Reading from Sat 7:30 AM · NWS gauge page

Potomac River at Harpers Ferry

8.5 mi

Below flood stage

Level: 1.1 ft
Flow: 2,350 cfs

Forecast peak 1.2 ft Sat 2 PM

Reading from Sat 6:45 AM · NWS gauge page

Shenandoah River at Millville

12 mi

Below flood stage

Level: 2.0 ft
Flow: 1,020 cfs

Forecast peak 2.1 ft Sat 2 PM

Reading from Sat 7:30 AM · NWS gauge page

For your home

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

Heating this week

About 63% less heating than a typical week.

This week 37Typical 100

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 28
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 21 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 39°F).

Open the windows?

Today, 2:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Hagerstown 1e · official normals 1991–2020 · records 1899–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 4°2° colder than normal (daily mean temperature).

−7°−4°SunOct 18
−4°−2°MonOct 19
−2°−1°TueOct 20
−3°−2°WedOct 21
−4°−2°ThuOct 22
—FriOct 23
—SatOct 24

Mount Briar weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 49 min; Losing 2 min 21 s a day; shortest Dec 21, 1 h 26 min less
Golden hour: 5:41–6:35 PM; Morning 7:13–8:07 AM
Blue hour: 6:35–6:46 PM; Morning 7:02–7:13 AM; first light 7:02 AM

Stars tonight? Fair

Clear 6:46 PM–7:03 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:42 AM · rises 5:15 PM
Full moon: Oct 26
New moon: Nov 9

Looking northeast from Mount Briar. The highest point on the skyline is about 2,100 ft, 29 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Mount Briar, MD weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Antietam Creek near Sharpsburg

Potomac River at Shepherdstown

Potomac River at Harpers Ferry

Shenandoah River at Millville

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