Observed 10:47 AM EDT at KFDK

Jefferson, MD weather

Sunny and 48°9°.

Forecasts agree

Now 48°9°

Sunny

Wind: Calm; Up to 5 mph8 km/h through 11 PM
Dew point: 48°9°; Comfortable · down to 40°4° by 12 PM
Humidity: 100%; Air 48°9°, dew point 48°9° · fog or dew likely
UV index: 2Low; Moderate 12–3 PM · peak 4
Air quality: 16Good; Ozone · tomorrow moderate
Pressure: 30.59 inHg1036 hPa; Falling slowly · −0.02 inHg−0.6 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 62°17° today at 2 PM
Below 50°10° tonight after 8 PM
Low 34°1° tomorrow at 6 AM
Above 50°10° tomorrow by 11 AM

This afternoonUp to 62°17° by 2 PM · Clear
TonightDown to 35°2° by 4 AM · Clear
Tomorrow morningUp to 54°12° by 11 AM · Clear
Tomorrow afternoonUp to 64°18° by 3 PM · Clear
Tomorrow nightDown to 37°3° by 5 AM · Clear
Monday morningUp to 49°9° 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	53°12° (likely 52°11° to 54°12°)	53°12°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	64%	0%	2
Sat 12p	Sunny	55°13° (likely 55°13° to 57°14°)	55°13°	0%	3 mph5 km/h from E, gusts 10 mph15 km/h	57%	0%	3
Sat 1p	Sunny	58°14° (likely 57°14° to 59°15°)	58°14°	0%	5 mph8 km/h from SE, gusts 9 mph15 km/h	49%	1%	4
Sat 2p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	43%	3%	3
Sat 3p	Sunny	62°17° (likely 60°16° to 62°17°)	62°17°	0%	5 mph8 km/h from SE, gusts 7 mph12 km/h	43%	4%	2
Sat 4p	Sunny	62°17° (likely 60°16° to 62°17°)	62°17°	0%	5 mph8 km/h from SE, gusts 7 mph11 km/h	43%	6%	1
Sat 5p	Sunny	62°17° (likely 58°14° to 62°17°)	62°17°	0%	5 mph8 km/h from SE, gusts 7 mph11 km/h	43%	6%	1
Sat 6p	Clear	57°14° (likely 54°12° to 57°14°)	57°14°	0%	3 mph5 km/h from SE, gusts 6 mph9 km/h	51%	5%	0
Sat 7p	Clear	51°11° (likely 50°10° to 53°12°)	51°11°	0%	3 mph5 km/h from E, gusts 6 mph9 km/h	63%	5%	0
Sat 8p	Clear	47°8° (likely 47°8° to 50°10°)	47°8°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	74%	8%	0
Sat 9p	Clear	44°7° (likely 44°7° to 48°9°)	44°7°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	82%	6%	0
Sat 10p	Clear	41°5° (likely 41°5° to 48°9°)	41°5°	0%	0 mph0 km/h, gusts 6 mph10 km/h	89%	0%	0
Sat 11p	Clear	39°4° (likely 39°4° to 47°8°)	39°4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	0%	0
Sun 12a	Clear	39°4° (likely 39°4° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 2 mph4 km/h	92%	0%	0
Sun 1a	Clear	38°3° (likely 38°3° to 45°7°)	38°3°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	5%	0
Sun 2a	Mostly clear	38°3° (likely 38°3° to 44°7°)	38°3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	96%	13%	0
Sun 3a	Clear	36°2° (likely 36°2° to 44°7°)	36°2°	0%	0 mph0 km/h, gusts 5 mph7 km/h	100%	12%	0
Sun 4a	Clear	35°2° (likely 35°2° to 44°7°)	35°2°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	12%	0
Sun 5a	Clear	35°2° (likely 35°2° to 43°6°)	35°2°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	14%	0
Sun 6a	Clear	34°1° (likely 34°1° to 42°6°)	34°1°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	15%	0
Sun 7a	Clear	34°1° (likely 34°1° to 41°5°)	34°1°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	14%	0
Sun 8a	Sunny	35°2° (likely 34°1° to 42°6°)	35°2°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	13%	0
Sun 9a	Sunny	42°6° (likely 38°3° to 45°7°)	42°6°	0%	0 mph0 km/h, gusts 5 mph8 km/h	89%	14%	1
Sun 10a	Sunny	49°9° (likely 48°9° to 50°10°)	49°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	74%	4%	2
Sun 11a	Sunny	54°12° (likely 54°12° to 55°13°)	54°12°	0%	0 mph0 km/h, gusts 5 mph8 km/h	66%	5%	3
Sun 12p	Sunny	57°14° (likely 57°14° to 59°15°)	57°14°	0%	1 mph2 km/h from S, gusts 7 mph11 km/h	59%	2%	4
Sun 1p	Sunny	61°16° (likely 60°16° to 61°16°)	61°16°	0%	2 mph3 km/h from S, gusts 7 mph12 km/h	53%	4%	4
Sun 2p	Sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	50%	4%	4
Sun 3p	Sunny	64°18° (likely 62°17° to 64°18°)	64°18°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	48%	3%	4
Sun 4p	Sunny	64°18° (likely 62°17° to 64°18°)	64°18°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	48%	3%	3
Sun 5p	Sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	2 mph3 km/h from S, gusts 6 mph10 km/h	48%	3%	1
Sun 6p	Clear	59°15° (likely 57°14° to 59°15°)	59°15°	0%	1 mph2 km/h from SE, gusts 6 mph9 km/h	57%	1%	0
Sun 7p	Clear	54°12° (likely 52°11° to 55°13°)	54°12°	0%	0 mph0 km/h, gusts 4 mph7 km/h	69%	0%	0
Sun 8p	Clear	49°9° (likely 49°9° to 53°12°)	49°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	83%	0%	0
Sun 9p	Clear	46°8° (likely 46°8° to 51°11°)	46°8°	0%	0 mph0 km/h, gusts 4 mph7 km/h	93%	0%	0
Sun 10p	Clear	44°7° (likely 44°7° to 50°10°)	44°7°	0%	0 mph0 km/h, gusts 4 mph6 km/h	96%	0%	0
Sun 11p	Clear	43°6° (likely 43°6° to 49°9°)	43°6°	0%	0 mph0 km/h, gusts 4 mph6 km/h	96%	0%	0
Mon 12a	Clear	42°6° (likely 42°6° to 48°9°)	42°6°	0%	0 mph0 km/h, gusts 5 mph7 km/h	96%	0%	0
Mon 1a	Clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	7%	0
Mon 2a	Clear	40°4° (likely 40°4° to 46°8°)	40°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	11%	0
Mon 3a	Clear	39°4° (likely 39°4° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 3 mph6 km/h	100%	13%	0
Mon 4a	Clear	38°3° (likely 38°3° to 45°7°)	38°3°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	14%	0
Mon 5a	Clear	37°3° (likely 37°3° to 44°7°)	37°3°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	20%	0
Mon 6a	Clear	35°2° (likely 34°1° to 44°7°)	35°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	21%	0
Mon 7a	Clear	35°2° (likely 32°0° to 42°6°)	35°2°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	100%	25%	0
Mon 8a	Sunny	37°3° (likely 32°0° to 42°6°)	37°3°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	100%	25%	0
Mon 9a	Mostly sunny	42°6° (likely 37°3° to 47°8°)	42°6°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	89%	35%	1
Mon 10a	Sunny	49°9° (likely 44°7° to 53°12°)	49°9°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	74%	13%	2

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Sunny. High 62°17°, low 34°1°. Dry. Forecasts 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, 35°2°
  Dry
Official NWS forecast
Today: Sunny, with a high near 62. Southeast wind around 5 mph.
Tonight: Patchy fog between 11pm and 3am, then patchy frost and patchy fog. Clear, with a low around 34. East wind 0 to 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–62°17°
Low, likely
33°1°–37°3°
Wind
6 mph9 km/h, gusts 13 mph21 km/h
UV peak
4
Tomorrow, Oct 25. Fog. High 64°18°, low 35°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Official NWS forecast
Day: Patchy frost and patchy fog before 9am. Sunny, with a high near 64. South wind around 2 mph.
Night: Patchy frost after 5am. Clear, with a low around 35. East wind around 1 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
62°17°–64°18°
Low, likely
34°1°–41°5°
Wind
7 mph12 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 69°21°, low 46°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 69. Northwest wind 0 to 6 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
32°0°–46°8°
Wind
9 mph14 km/h, gusts 14 mph22 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 66°19°, low 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 42°6°
  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 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
40°4°–47°8°
Wind
8 mph13 km/h, gusts 17 mph28 km/h
UV peak
4
Wednesday, Oct 28. Mostly cloudy. High 63°17°, low 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 45°7°
  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 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–64°18°
Low, likely
37°3°–46°8°
Wind
8 mph13 km/h, gusts 17 mph28 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 69°21°, low 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly 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
  Clear, 46°8°
  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
43°6°–48°9°
Wind
8 mph13 km/h, gusts 21 mph34 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 72°22°, low 47°8°. 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, 44°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 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–73°23°
Low, likely
42°6°–47°8°
Wind
14 mph23 km/h, gusts 25 mph40 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 68°20°, low 44°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  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
39°4°–49°9°
Wind
10 mph16 km/h, gusts 26 mph42 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 67°19°, low 49°9°. Rain 0.02 in0.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  20% chance
3. Evening
  6 PM–midnight
  Partly cloudy, 57°14°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  30% 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°–72°22°
Low, likely
39°4°–54°12°
Wind
9 mph15 km/h, gusts 20 mph32 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 66°19°, low 51°11°. Rain 0.1 in2.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  30% 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
54°12°–73°23°
Low, likely
40°4°–59°15°
Wind
10 mph16 km/h, gusts 16 mph26 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 62°, low 34°.
Tomorrow
Dry, high 64°, low 35°.
Monday
Dry, high 69°, low 46°, 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

Potomac River at Point of Rocks

6.3 mi

Below flood stage

Level: 1.8 ft
Flow: 2,830 cfs

Forecast peak 1.7 ft Sat 2 PM

Reading from Sat 9:55 AM · NWS gauge page

Monocacy River near Frederick at Interstate 70

9.7 mi

Below flood stage

Level: 1.7 ft
Flow: 173 cfs

Forecast peak 1.7 ft Sat 2 PM

Reading from Sat 9:30 AM · NWS gauge page

Potomac River at Harpers Ferry

11 mi

Below flood stage

Level: 1.2 ft
Flow: 2,390 cfs

Forecast peak 1.1 ft Tue 8 AM

Reading from Sat 9:45 AM · NWS gauge page

Antietam Creek near Sharpsburg

12 mi

Below flood stage

Level: 2.4 ft
Flow: 105 cfs

Forecast peak 2.4 ft Sat 2 PM

Reading from Sat 10:15 AM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 49 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 26 min less
Golden hour: 5:41–6:35 PM; Morning 7:12–8:06 AM
Blue hour: 6:35–6:45 PM; Morning 7:02–7:12 AM; first light 7:02 AM

Stars tonight? Fair

Clear 6:45 PM–7:03 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:41 AM · rises 5:15 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from Jefferson. The highest point on the skyline is about 1,900 ft, 19 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Jefferson, 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 Point of Rocks

Monocacy River near Frederick at Interstate 70

Potomac River at Harpers Ferry

Antietam Creek near Sharpsburg

Sun & moon

Sun

Stars tonight? Fair

Moon