Observed 3:00 PM EDT at KHGR

Mount Aetna, MD weather

Sunny and 61°16°, jacket by 7 PM.

Mostly agree

Now 61°16°

Sunny

Wind: 10 mph17 km/h; From the south-southeast. Up to 10 mph17 km/h through 3 AM
Dew point: 30°−1°; Dry, static shocks likely
UV index: 4Moderate; Moderate until 5 PM
Air quality: 31Good; Ozone · tomorrow moderate
Pressure: 30.51 inHg1033 hPa; Falling · −0.06 inHg−2.0 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Below 50°10° tonight after 8 PM
Low 36°2° tomorrow at 7 AM
Above 50°10° tomorrow by 11 AM

This afternoonNear 60°16° · Clear
TonightDown to 37°3° by 4 AM · Clear
Tomorrow morningUp to 52°11° by 11 AM · Clear
Tomorrow afternoonUp to 63°17° by 3 PM · Clear
Tomorrow nightDown to 40°4° by 4 AM · Clear
Monday morningUp to 53°12° by 11 AM · Clear
Monday afternoonUp to 66°19° by 2 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 3p	Sunny	60°16° (likely 58°14° to 61°16°)	60°16°	0%	5 mph8 km/h from S, gusts 10 mph15 km/h	42%	0%	4
Sat 4p	Sunny	61°16° (likely 58°14° to 61°16°)	61°16°	0%	5 mph8 km/h from SE, gusts 8 mph13 km/h	41%	0%	3
Sat 5p	Sunny	59°15° (likely 57°14° to 60°16°)	59°15°	0%	5 mph8 km/h from SE, gusts 8 mph13 km/h	44%	0%	1
Sat 6p	Clear	57°14° (likely 53°12° to 57°14°)	57°14°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	47%	0%	0
Sat 7p	Clear	53°12° (likely 49°9° to 53°12°)	53°12°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	57%	0%	0
Sat 8p	Clear	46°8° (likely 46°8° to 51°11°)	46°8°	0%	2 mph3 km/h from E, gusts 8 mph13 km/h	73%	0%	0
Sat 9p	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	76%	0%	0
Sat 10p	Clear	43°6° (likely 43°6° to 49°9°)	43°6°	0%	2 mph3 km/h from SE, gusts 8 mph12 km/h	82%	0%	0
Sat 11p	Clear	42°6° (likely 42°6° to 48°9°)	42°6°	0%	2 mph3 km/h from SE, gusts 8 mph12 km/h	86%	0%	0
Sun 12a	Clear	41°5° (likely 41°5° to 47°8°)	41°5°	0%	1 mph2 km/h from SE, gusts 7 mph11 km/h	89%	0%	0
Sun 1a	Clear	40°4° (likely 40°4° to 47°8°)	40°4°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	92%	0%	0
Sun 2a	Clear	39°4° (likely 39°4° to 46°8°)	39°4°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	92%	0%	0
Sun 3a	Clear	38°3° (likely 38°3° to 45°7°)	38°3°	0%	0 mph0 km/h, gusts 5 mph9 km/h	96%	0%	0
Sun 4a	Clear	37°3° (likely 37°3° to 45°7°)	37°3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	0%	0
Sun 5a	Clear	37°3° (likely 37°3° to 44°7°)	37°3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	0%	0
Sun 6a	Clear	37°3° (likely 37°3° to 44°7°)	37°3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	0%	0
Sun 7a	Clear	36°2° (likely 36°2° to 44°7°)	36°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 8a	Sunny	37°3° (likely 37°3° to 44°7°)	37°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	1%	0
Sun 9a	Sunny	40°4° (likely 40°4° to 47°8°)	40°4°	0%	0 mph0 km/h, gusts 2 mph3 km/h	96%	0%	1
Sun 10a	Sunny	47°8° (likely 47°8° to 53°12°)	47°8°	0%	0 mph0 km/h, gusts 5 mph8 km/h	83%	1%	2
Sun 11a	Sunny	52°11° (likely 52°11° to 57°14°)	52°11°	0%	1 mph2 km/h from SW, gusts 7 mph12 km/h	71%	2%	3
Sun 12p	Sunny	56°13° (likely 56°13° to 59°15°)	56°13°	0%	2 mph3 km/h from SW, gusts 9 mph14 km/h	64%	6%	4
Sun 1p	Sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	2 mph3 km/h from SW, gusts 9 mph14 km/h	55%	4%	4
Sun 2p	Sunny	62°17° (likely 60°16° to 62°17°)	62°17°	0%	3 mph5 km/h from S, gusts 9 mph14 km/h	52%	6%	4
Sun 3p	Sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	3 mph5 km/h from S, gusts 9 mph15 km/h	50%	6%	4
Sun 4p	Sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	3 mph5 km/h from S, gusts 9 mph14 km/h	50%	5%	3
Sun 5p	Sunny	62°17° (likely 60°16° to 62°17°)	62°17°	0%	3 mph5 km/h from S, gusts 8 mph12 km/h	54%	5%	1
Sun 6p	Clear	60°16° (likely 56°13° to 60°16°)	60°16°	0%	1 mph2 km/h from S, gusts 8 mph12 km/h	55%	1%	0
Sun 7p	Clear	55°13° (likely 52°11° to 55°13°)	55°13°	0%	1 mph2 km/h from SE, gusts 6 mph9 km/h	64%	0%	0
Sun 8p	Clear	49°9° (likely 49°9° to 53°12°)	49°9°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	80%	0%	0
Sun 9p	Clear	47°8° (likely 47°8° to 52°11°)	47°8°	0%	1 mph2 km/h from SE, gusts 6 mph9 km/h	83%	0%	0
Sun 10p	Clear	46°8° (likely 46°8° to 51°11°)	46°8°	0%	1 mph2 km/h from SE, gusts 6 mph9 km/h	86%	0%	0
Sun 11p	Clear	45°7° (likely 45°7° to 51°11°)	45°7°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	89%	0%	0
Mon 12a	Clear	44°7° (likely 44°7° to 50°10°)	44°7°	0%	1 mph2 km/h from S, gusts 6 mph10 km/h	89%	1%	0
Mon 1a	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	1 mph2 km/h from S, gusts 6 mph9 km/h	93%	1%	0
Mon 2a	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	1 mph2 km/h from S, gusts 5 mph9 km/h	93%	0%	0
Mon 3a	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	0 mph0 km/h, gusts 6 mph10 km/h	93%	0%	0
Mon 4a	Clear	40°4° (likely 40°4° to 46°8°)	40°4°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	0%	0
Mon 5a	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	0%	0
Mon 6a	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	11%	0
Mon 7a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	14%	0
Mon 8a	Sunny	38°3° (likely 38°3° to 44°7°)	38°3°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	15%	0
Mon 9a	Sunny	43°6° (likely 42°6° to 48°9°)	43°6°	0%	1 mph2 km/h from NW, gusts 5 mph8 km/h	89%	16%	1
Mon 10a	Sunny	48°9° (likely 48°9° to 54°12°)	48°9°	0%	2 mph3 km/h from NW, gusts 7 mph11 km/h	80%	0%	2
Mon 11a	Sunny	53°12° (likely 53°12° to 60°16°)	53°12°	0%	2 mph3 km/h from W, gusts 8 mph13 km/h	71%	1%	3
Mon 12p	Sunny	58°14° (likely 57°14° to 63°17°)	58°14°	0%	3 mph5 km/h from NW, gusts 9 mph14 km/h	62%	0%	4
Mon 1p	Sunny	63°17° (likely 60°16° to 65°18°)	63°17°	0%	5 mph8 km/h from NW, gusts 10 mph17 km/h	54%	0%	4
Mon 2p	Sunny	66°19° (likely 64°18° to 67°19°)	66°19°	0%	5 mph8 km/h from NW, gusts 12 mph19 km/h	50%	2%	4

Days ahead

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

Today, Oct 24. Sunny. High 61°16°, low 36°2°. Typical 62°17° / 41°5°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
2. Evening
  6 PM–midnight
  Clear, 46°8°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Official NWS forecast
Today: Sunny, with a high near 61. Southeast wind around 5 mph.
Tonight: Patchy fog after 3am. Clear, with a low around 36. East wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–61°16°
Low, likely
36°2°–41°5°
Typical high / low
62°17° / 41°5°
Wind
7 mph11 km/h, gusts 17 mph27 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 63°17°, low 38°3°. Typical 62°17° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Official NWS forecast
Day: Patchy fog before 9am. Sunny, with a high near 63. Southwest wind 0 to 3 mph.
Night: Mostly clear, with a low around 38. South wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–63°17°
Low, likely
38°3°–43°6°
Typical high / low
62°17° / 41°5°
Wind
7 mph11 km/h, gusts 14 mph22 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 69°21°, low 46°8°. Typical 62°17° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  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. Northwest wind 0 to 5 mph.
Night: Mostly clear, with a low around 46.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–69°21°
Low, likely
40°4°–46°8°
Typical high / low
62°17° / 41°5°
Wind
8 mph13 km/h, gusts 16 mph26 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 66°19°, low 41°5°. Typical 61°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  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 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
41°5°–50°10°
Typical high / low
61°16° / 40°4°
Wind
7 mph11 km/h, gusts 19 mph31 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 64°18°, low 46°8°. Typical 61°16° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  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: Partly sunny, with a high near 64.
Night: Mostly cloudy, with a low around 46.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–64°18°
Low, likely
43°6°–46°8°
Typical high / low
61°16° / 40°4°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 70°21°, low 48°9°. Typical 60°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 47°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
  Clear, 49°9°
  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 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–70°21°
Low, likely
45°7°–49°9°
Typical high / low
60°16° / 40°4°
Wind
7 mph12 km/h, gusts 21 mph34 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 73°23°, low 50°10°. Typical 60°16° / 39°4°. 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, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 73.
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
47°8°–50°10°
Typical high / low
60°16° / 39°4°
Wind
8 mph13 km/h, gusts 21 mph33 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 70°21°, low 51°11°. Typical 60°16° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Partly 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–74°23°
Low, likely
48°9°–55°13°
Typical high / low
60°16° / 39°4°
Wind
7 mph11 km/h, gusts 22 mph36 km/h
UV peak
4
Sunday, Nov 1. Drizzle. High 67°19°, low 53°12°. Typical 59°15° / 38°3°. Rain 0.04 in1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  30% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 61°16°
  30% chance · 0.05 in1.3 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
61°16°–71°22°
Low, likely
48°9°–55°13°
Typical high / low
59°15° / 38°3°
Wind
10 mph15 km/h, gusts 21 mph33 km/h
UV peak
1
Monday, Nov 2. Drizzle. High 70°21°, low 57°14°. Typical 59°15° / 38°3°. Rain 0.78 in20 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 62°17°
  30% chance · 0.05 in1.3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  20% chance · 0.13 in3.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  30% chance · 0.7 in18 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
62°17°–75°24°
Low, likely
51°11°–63°17°
Typical high / low
59°15° / 38°3°
Wind
15 mph24 km/h, gusts 35 mph57 km/h

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 36°.
Tomorrow
Dry, high 63°, low 38°.
Monday
Dry, high 69°, low 46°, warming up.
Rest of week
Mostly dry, highs 64–73°.

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

12 mi

Below flood stage

Level: 2.4 ft
Flow: 103 cfs

Forecast peak 2.3 ft Sat 8 PM

Reading from Sat 1:15 PM · NWS gauge page

Conococheague Creek at Fairview

14 mi

Below flood stage

Level: 1.7 ft
Flow: 161 cfs

Forecast peak 1.6 ft Sat 8 PM

Reading from Sat 12:45 PM · NWS gauge page

Potomac River at Shepherdstown

15 mi

Below flood stage

Level: 2.7 ft
Flow: 2,530 cfs

Forecast peak 2.4 ft Sat 8 PM

Reading from Sat 1:30 PM · NWS gauge page

Monocacy River near Frederick at Interstate 70

19 mi

Below flood stage

Level: 1.7 ft
Flow: 171 cfs

Forecast peak 1.7 ft Sat 8 PM

Reading from Sat 1:30 PM · NWS gauge page

For your home

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

Heating this week

About 66% less heating than a typical week.

This week 34Typical 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 17 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 30°F).

Open the windows?

Sun, 1:00 PM–6:00 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
−3°−2°FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 48 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 east from Mount Aetna. The highest point on the skyline is about 2,100 ft, 8 mi away.Skyline from USGS elevation data, heights drawn up to 3× taller. Sky, sun and moon as they are now.

Mount Aetna, 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

Conococheague Creek at Fairview

Potomac River at Shepherdstown

Monocacy River near Frederick at Interstate 70

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