Observed 3:50 PM EDT at KGAI

Olney, MD weather

Sunny and 63°17°, jacket by 7 PM.

Mostly agree

Now 63°17°

Sunny

Wind: 5 mph7 km/h; From the southeast. Up to 5 mph8 km/h through 4 AM
Dew point: 39°4°; Comfortable
UV tomorrow: 4Moderate; Moderate 11 AM–5 PM · peak 4
Air quality: 34Good; Ozone · tomorrow moderate
Pressure: 30.52 inHg1034 hPa; Falling · −0.05 inHg−1.8 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 37°3° tomorrow at 7 AM
Above 50°10° tomorrow by 10 AM
High 63°17° tomorrow at 2 PM

This afternoonNear 61°16° · Clear
TonightDown to 38°3° by 4 AM · Clear
Tomorrow morningUp to 56°13° by 11 AM · Clear
Tomorrow afternoonUp to 64°18° by 4 PM · Clear
Tomorrow nightDown to 40°4° by 4 AM · Clear
Monday morningUp to 58°14° by 11 AM · Clear
Monday afternoonUp to 68°20° by 3 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 4p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	5 mph8 km/h from SE, gusts 7 mph11 km/h	43%	10%	1
Sat 5p	Sunny	60°16° (likely 58°14° to 60°16°)	60°16°	0%	5 mph8 km/h from SE, gusts 8 mph13 km/h	46%	12%	1
Sat 6p	Clear	58°14° (likely 54°12° to 58°14°)	58°14°	0%	3 mph5 km/h from E, gusts 10 mph16 km/h	49%	13%	0
Sat 7p	Clear	53°12° (likely 51°11° to 53°12°)	53°12°	0%	3 mph5 km/h from E, gusts 7 mph12 km/h	61%	10%	0
Sat 8p	Clear	47°8° (likely 47°8° to 50°10°)	47°8°	0%	2 mph3 km/h from E, gusts 8 mph13 km/h	76%	0%	0
Sat 9p	Clear	45°7° (likely 45°7° to 49°9°)	45°7°	0%	2 mph3 km/h from E, gusts 8 mph12 km/h	82%	2%	0
Sat 10p	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	1 mph2 km/h from E, gusts 7 mph11 km/h	89%	0%	0
Sat 11p	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	93%	11%	0
Sun 12a	Clear	40°4° (likely 40°4° to 46°8°)	40°4°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	100%	13%	0
Sun 1a	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	100%	13%	0
Sun 2a	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	1 mph2 km/h from NE, gusts 4 mph7 km/h	100%	11%	0
Sun 3a	Clear	39°4° (likely 39°4° to 43°6°)	39°4°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	0%	0
Sun 4a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	100%	0%	0
Sun 5a	Clear	38°3° (likely 38°3° to 42°6°)	38°3°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	100%	0%	0
Sun 6a	Clear	38°3° (likely 38°3° to 42°6°)	38°3°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	100%	0%	0
Sun 7a	Sunny	37°3° (likely 37°3° to 41°5°)	37°3°	0%	1 mph2 km/h from N, gusts 6 mph9 km/h	100%	0%	0
Sun 8a	Sunny	38°3° (likely 38°3° to 42°6°)	38°3°	0%	1 mph2 km/h from N, gusts 5 mph9 km/h	100%	5%	0
Sun 9a	Sunny	43°6° (likely 43°6° to 47°8°)	43°6°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	93%	5%	1
Sun 10a	Sunny	51°11° (likely 51°11° to 53°12°)	51°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	74%	7%	2
Sun 11a	Sunny	56°13° (likely 56°13° to 58°14°)	56°13°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	66%	6%	3
Sun 12p	Sunny	58°14° (likely 58°14° to 61°16°)	58°14°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	59%	6%	4
Sun 1p	Sunny	61°16° (likely 61°16° to 63°17°)	61°16°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	51%	3%	4
Sun 2p	Sunny	63°17° (likely 63°17° to 64°18°)	63°17°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	48%	2%	4
Sun 3p	Sunny	63°17° (likely 63°17° to 65°18°)	63°17°	0%	1 mph2 km/h from S, gusts 6 mph9 km/h	48%	4%	4
Sun 4p	Sunny	64°18° (likely 64°18° to 65°18°)	64°18°	0%	0 mph0 km/h, gusts 6 mph9 km/h	46%	4%	3
Sun 5p	Sunny	64°18° (likely 62°17° to 64°18°)	64°18°	0%	1 mph2 km/h from SE, gusts 6 mph9 km/h	46%	5%	1
Sun 6p	Clear	61°16° (likely 58°14° to 61°16°)	61°16°	0%	1 mph2 km/h from SE, gusts 5 mph7 km/h	51%	1%	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%	0%	0
Sun 8p	Clear	52°11° (likely 51°11° to 54°12°)	52°11°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	74%	2%	0
Sun 9p	Clear	47°8° (likely 47°8° to 52°11°)	47°8°	0%	0 mph0 km/h, gusts 7 mph11 km/h	86%	0%	0
Sun 10p	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	0 mph0 km/h, gusts 7 mph11 km/h	96%	0%	0
Sun 11p	Clear	44°7° (likely 44°7° to 49°9°)	44°7°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	0%	0
Mon 12a	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	0%	0
Mon 1a	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	1 mph2 km/h from W, gusts 5 mph7 km/h	100%	0%	0
Mon 2a	Clear	42°6° (likely 42°6° to 46°8°)	42°6°	0%	1 mph2 km/h from W, gusts 5 mph7 km/h	100%	3%	0
Mon 3a	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	1 mph2 km/h from W, gusts 5 mph9 km/h	100%	0%	0
Mon 4a	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	2 mph3 km/h from NW, gusts 6 mph9 km/h	100%	1%	0
Mon 5a	Clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	2 mph3 km/h from NW, gusts 6 mph10 km/h	100%	11%	0
Mon 6a	Clear	40°4° (likely 40°4° to 43°6°)	40°4°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	100%	11%	0
Mon 7a	Sunny	39°4° (likely 39°4° to 43°6°)	39°4°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	100%	17%	0
Mon 8a	Sunny	40°4° (likely 40°4° to 43°6°)	40°4°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	100%	22%	0
Mon 9a	Sunny	45°7° (likely 44°7° to 48°9°)	44°7°	0%	3 mph5 km/h from W, gusts 7 mph12 km/h	89%	17%	1
Mon 10a	Sunny	52°11° (likely 51°11° to 55°13°)	52°11°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	74%	1%	2
Mon 11a	Sunny	58°14° (likely 57°14° to 60°16°)	58°14°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	64%	0%	3
Mon 12p	Sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	5 mph8 km/h from W, gusts 10 mph17 km/h	54%	0%	4
Mon 1p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	6 mph10 km/h from NW, gusts 10 mph16 km/h	48%	0%	4
Mon 2p	Sunny	67°19° (likely 65°18° to 67°19°)	67°19°	0%	6 mph10 km/h from NW, gusts 9 mph15 km/h	47%	0%	4
Mon 3p	Sunny	68°20° (likely 65°18° to 68°20°)	68°20°	0%	6 mph10 km/h from NW, gusts 11 mph18 km/h	47%	1%	4

Days ahead

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

Today, Oct 24. Sunny. High 62°17°, low 37°3°. Typical 65°18° / 44°7°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
2. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Official NWS forecast
Today: Sunny, with a high near 62. Southeast wind around 5 mph.
Tonight: Clear, with a low around 37. Northeast wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–62°17°
Low, likely
35°2°–39°4°
Typical high / low
65°18° / 44°7°
Wind
8 mph13 km/h, gusts 15 mph23 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 64°18°, low 39°4°. Typical 65°18° / 43°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Official NWS forecast
Day: Patchy frost between 7am and 8am. Sunny, with a high near 64. East wind around 1 mph.
Night: Clear, with a low around 39. North wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
64°18°–65°18°
Low, likely
38°3°–41°5°
Typical high / low
65°18° / 43°6°
Wind
6 mph9 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 69°21°, low 47°8°. Typical 64°18° / 43°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°10°
  Dry
Official NWS forecast
Day: Sunny, with a high near 69. West wind 2 to 6 mph.
Night: Mostly clear, with a low around 47.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–69°21°
Low, likely
40°4°–47°8°
Typical high / low
64°18° / 43°6°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 67°19°, low 45°7°. Typical 64°18° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  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 67.
Night: Mostly clear, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–68°20°
Low, likely
45°7°–50°10°
Typical high / low
64°18° / 42°6°
Wind
10 mph16 km/h, gusts 22 mph36 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 64°18°, low 47°8°. Typical 64°18° / 42°6°. Dry. Mostly 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, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 64.
Night: Mostly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–64°18°
Low, likely
42°6°–47°8°
Typical high / low
64°18° / 42°6°
Wind
8 mph12 km/h, gusts 16 mph26 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 69°21°, low 48°9°. Typical 63°17° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  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 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–69°21°
Low, likely
45°7°–48°9°
Typical high / low
63°17° / 42°6°
Wind
8 mph13 km/h, gusts 22 mph36 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 73°23°, low 50°10°. Typical 63°17° / 41°5°. 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, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°11°
  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
73°23°–74°23°
Low, likely
45°7°–50°10°
Typical high / low
63°17° / 41°5°
Wind
7 mph11 km/h, gusts 27 mph43 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 71°22°, low 50°10°. Typical 62°17° / 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  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°–75°24°
Low, likely
47°8°–52°11°
Typical high / low
62°17° / 41°5°
Wind
7 mph12 km/h, gusts 28 mph45 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 69°21°, low 54°12°. Typical 62°17° / 41°5°. Rain 0.02 in0.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  20% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 62°17°
  30% chance · 0.06 in1.4 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
64°18°–72°22°
Low, likely
52°11°–56°13°
Typical high / low
62°17° / 41°5°
Wind
12 mph19 km/h, gusts 22 mph36 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 72°22°, low 60°16°. Typical 62°17° / 40°4°. Rain 0.39 in9.9 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 63°17°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 65°18°
  20% chance · 0.28 in7.1 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°–77°25°
Low, likely
57°14°–66°19°
Typical high / low
62°17° / 40°4°
Wind
17 mph27 km/h, gusts 37 mph60 km/h

10 days15 days30 days

The outlook

Today
Dry, high 62°, low 37°.
Tomorrow
Dry, high 64°, low 39°.
Monday
Dry, high 69°, low 47°, 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

Hawlings River near Sandy Spring

3.4 mi

Below flood stage

Level: 0.5 ft
Flow: 5 cfs

Reading from Sat 2:45 PM · NWS gauge page

Patuxent River below Brighton Dam

4.9 mi

Below flood stage

Level: 1.8 ft
Flow: 61 cfs

Reading from Sat 2:45 PM · NWS gauge page

Turkey Branch near Aspen Hill

5.3 mi

Below flood stage

Level: 4.3 ft
Flow: under 1 cfs

Reading from Sat 3:15 PM · NWS gauge page

Paint Branch Tributary Near Colesville, MD

5.8 mi

Below flood stage

Level: 1.6 ft
Flow: under 1 cfs

Reading from Sat 2:50 PM · NWS gauge page

For your home

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

Heating this week

About 62% less heating than a typical week.

This week 31Typical 83

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 27
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 18 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?

BELTSVILLE · official normals 1991–2020 · records 1941–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° colder than typical.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Olney 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 25 min less
Golden hour: 5:40–6:33 PM; Morning 7:10–8:04 AM
Blue hour: 6:33–6:44 PM; Morning 7:00–7:10 AM; first light 7:00 AM

Stars tonight? Fair

Clear 6:44 PM–7:01 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 Olney. The highest point on the skyline is about 1,200 ft, 19 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Olney, MD weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Hawlings River near Sandy Spring

Patuxent River below Brighton Dam

Turkey Branch near Aspen Hill

Paint Branch Tributary Near Colesville, MD

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