Observed 7:45 AM EDT at KMTN

Rossville, MD weather

Sunny and 39°4°.

Mostly agree

Now 39°4°

Sunny

Wind: Calm; 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: 42Good; PM2.5 (fine particles) · tomorrow moderate
Pressure: 30.55 inHg1035 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

Good hours for

Above 50°10° today by 10 AM
High 63°17° today at 2 PM
Below 50°10° tonight after 9 PM
Low 40°4° tomorrow at 6 AM

This morningUp to 58°14° by 11 AM · Clear
This afternoonNear 62°17° · Clear
TonightDown to 41°5° by 4 AM · Clear
Tomorrow morningUp to 59°15° by 11 AM · Clear
Tomorrow afternoonUp to 66°19° by 3 PM · Clear
Tomorrow nightDown to 43°6° by 5 AM · Clear
Monday morningNear 42°6° · 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 9a	Sunny	46°8° (likely 44°7° to 47°8°)	45°7°	0%	3 mph5 km/h from N, gusts 7 mph11 km/h	76%	13%	1
Sat 10a	Sunny	52°11° (likely 51°11° to 53°12°)	52°11°	0%	3 mph5 km/h from NE, gusts 7 mph11 km/h	61%	1%	2
Sat 11a	Sunny	58°14° (likely 55°13° to 58°14°)	58°14°	0%	3 mph5 km/h from NE, gusts 8 mph13 km/h	49%	0%	3
Sat 12p	Sunny	61°16° (likely 57°14° to 61°16°)	61°16°	0%	3 mph5 km/h from E, gusts 8 mph13 km/h	44%	3%	4
Sat 1p	Sunny	62°17° (likely 58°14° to 62°17°)	62°17°	0%	3 mph5 km/h from E, gusts 8 mph12 km/h	43%	4%	4
Sat 2p	Sunny	63°17° (likely 59°15° to 63°17°)	63°17°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	39%	2%	4
Sat 3p	Sunny	63°17° (likely 59°15° to 63°17°)	63°17°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	39%	2%	4
Sat 4p	Sunny	63°17° (likely 59°15° to 63°17°)	63°17°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	39%	1%	3
Sat 5p	Sunny	63°17° (likely 58°14° to 63°17°)	63°17°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	39%	0%	1
Sat 6p	Clear	58°14° (likely 55°13° to 58°14°)	58°14°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	49%	0%	0
Sat 7p	Clear	53°12° (likely 52°11° to 55°13°)	53°12°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	61%	1%	0
Sat 8p	Clear	51°11° (likely 50°10° to 53°12°)	51°11°	0%	1 mph2 km/h from NE, gusts 4 mph7 km/h	68%	1%	0
Sat 9p	Clear	48°9° (likely 48°9° to 52°11°)	48°9°	0%	1 mph2 km/h from NE, gusts 5 mph8 km/h	80%	1%	0
Sat 10p	Clear	47°8° (likely 47°8° to 51°11°)	47°8°	0%	0 mph0 km/h, gusts 5 mph8 km/h	83%	0%	0
Sat 11p	Clear	46°8° (likely 46°8° to 51°11°)	46°8°	0%	1 mph2 km/h from NE, gusts 5 mph8 km/h	86%	0%	0
Sun 12a	Clear	46°8° (likely 44°7° to 50°10°)	46°8°	0%	0 mph0 km/h, gusts 5 mph8 km/h	86%	0%	0
Sun 1a	Clear	45°7° (likely 43°6° to 50°10°)	45°7°	0%	0 mph0 km/h, gusts 5 mph7 km/h	89%	0%	0
Sun 2a	Clear	44°7° (likely 41°5° to 49°9°)	44°7°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	93%	0%	0
Sun 3a	Clear	42°6° (likely 39°4° to 49°9°)	42°6°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	100%	0%	0
Sun 4a	Clear	41°5° (likely 38°3° to 48°9°)	41°5°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	100%	1%	0
Sun 5a	Clear	41°5° (likely 38°3° to 47°8°)	41°5°	0%	1 mph2 km/h from N, gusts 6 mph9 km/h	100%	3%	0
Sun 6a	Clear	40°4° (likely 38°3° to 45°7°)	40°4°	0%	1 mph2 km/h from N, gusts 6 mph9 km/h	100%	5%	0
Sun 7a	Sunny	40°4° (likely 37°3° to 44°7°)	40°4°	0%	2 mph3 km/h from N, gusts 6 mph9 km/h	100%	7%	0
Sun 8a	Sunny	40°4° (likely 38°3° to 44°7°)	40°4°	0%	2 mph3 km/h from N, gusts 7 mph11 km/h	100%	8%	0
Sun 9a	Sunny	48°9° (likely 44°7° to 48°9°)	48°9°	0%	2 mph3 km/h from N, gusts 7 mph11 km/h	77%	1%	1
Sun 10a	Sunny	54°12° (likely 52°11° to 54°12°)	54°12°	0%	1 mph2 km/h from NE, gusts 6 mph9 km/h	64%	1%	2
Sun 11a	Sunny	59°15° (likely 56°13° to 59°15°)	59°15°	0%	1 mph2 km/h from NE, gusts 5 mph8 km/h	55%	4%	3
Sun 12p	Sunny	62°17° (likely 58°14° to 62°17°)	62°17°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	50%	6%	4
Sun 1p	Sunny	64°18° (likely 59°15° to 64°18°)	64°18°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	45%	7%	4
Sun 2p	Sunny	65°18° (likely 60°16° to 65°18°)	65°18°	0%	2 mph3 km/h from S, gusts 5 mph8 km/h	43%	6%	4
Sun 3p	Sunny	66°19° (likely 61°16° to 66°19°)	66°19°	0%	2 mph3 km/h from S, gusts 5 mph8 km/h	40%	7%	4
Sun 4p	Sunny	66°19° (likely 61°16° to 66°19°)	66°19°	0%	2 mph3 km/h from SE, gusts 5 mph8 km/h	42%	3%	3
Sun 5p	Sunny	65°18° (likely 60°16° to 65°18°)	65°18°	0%	2 mph3 km/h from SE, gusts 5 mph9 km/h	43%	0%	1
Sun 6p	Clear	61°16° (likely 57°14° to 61°16°)	61°16°	0%	2 mph3 km/h from SE, gusts 5 mph9 km/h	51%	0%	0
Sun 7p	Clear	55°13° (likely 53°12° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 4 mph7 km/h	66%	0%	0
Sun 8p	Clear	53°12° (likely 51°11° to 54°12°)	53°12°	0%	0 mph0 km/h, gusts 3 mph4 km/h	74%	0%	0
Sun 9p	Clear	50°10° (likely 50°10° to 53°12°)	50°10°	0%	0 mph0 km/h, gusts 3 mph5 km/h	86%	1%	0
Sun 10p	Clear	48°9° (likely 48°9° to 52°11°)	48°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	93%	2%	0
Sun 11p	Clear	47°8° (likely 47°8° to 51°11°)	47°8°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	93%	3%	0
Mon 12a	Clear	45°7° (likely 45°7° to 49°9°)	45°7°	0%	1 mph2 km/h from W, gusts 3 mph6 km/h	100%	3%	0
Mon 1a	Clear	45°7° (likely 43°6° to 49°9°)	45°7°	0%	1 mph2 km/h from NW, gusts 3 mph5 km/h	96%	1%	0
Mon 2a	Clear	44°7° (likely 40°4° to 50°10°)	44°7°	0%	1 mph2 km/h from NW, gusts 4 mph7 km/h	100%	8%	0
Mon 3a	Clear	44°7° (likely 37°3° to 52°11°)	44°7°	0%	1 mph2 km/h from NW, gusts 5 mph8 km/h	100%	11%	0
Mon 4a	Clear	44°7° (likely 37°3° to 51°11°)	44°7°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	96%	13%	0
Mon 5a	Clear	43°6° (likely 37°3° to 51°11°)	43°6°	0%	2 mph3 km/h from W, gusts 6 mph9 km/h	100%	14%	0
Mon 6a	Clear	41°5° (likely 36°2° to 50°10°)	41°5°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	100%	15%	0
Mon 7a	Sunny	40°4° (likely 36°2° to 50°10°)	40°4°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	100%	16%	0
Mon 8a	Sunny	42°6° (likely 38°3° to 50°10°)	42°6°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	100%	19%	0

Days ahead

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

Today, Oct 24. Sunny. High 63°17°, low 40°4°. Typical 66°19° / 49°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Official NWS forecast
Today: Sunny, with a high near 63. East wind around 3 mph.
Tonight: Patchy fog after 3am. Clear, with a low around 40. Northeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–63°17°
Low, likely
38°3°–43°6°
Typical high / low
66°19° / 49°9°
Wind
6 mph10 km/h, gusts 12 mph19 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 66°19°, low 40°4°. Typical 65°18° / 49°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Official NWS forecast
Day: Patchy fog before 7am. Sunny, with a high near 66. East wind around 2 mph.
Night: Mostly clear, with a low around 40. West wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–66°19°
Low, likely
37°3°–44°7°
Typical high / low
65°18° / 49°9°
Wind
5 mph9 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 70°21°, low 50°10°. Typical 65°18° / 49°9°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70. West wind around 5 mph.
Night: Mostly clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–70°21°
Low, likely
38°3°–50°10°
Typical high / low
65°18° / 49°9°
Wind
8 mph12 km/h, gusts 14 mph23 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 66°19°, low 45°7°. Typical 65°18° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 66.
Night: Mostly clear, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
45°7°–53°12°
Typical high / low
65°18° / 48°9°
Wind
10 mph16 km/h, gusts 21 mph34 km/h
UV peak
4
Wednesday, Oct 28. Mostly cloudy. High 63°17°, low 49°9°. Typical 64°18° / 48°9°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  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 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–63°17°
Low, likely
41°5°–49°9°
Typical high / low
64°18° / 48°9°
Wind
9 mph14 km/h, gusts 17 mph27 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 68°20°, low 51°11°. Typical 64°18° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 68.
Night: Mostly clear, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–68°20°
Low, likely
47°8°–52°11°
Typical high / low
64°18° / 48°9°
Wind
7 mph10 km/h, gusts 25 mph41 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 72°22°, low 50°10°. Typical 64°18° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°16°
  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 72.
Night: Mostly clear, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–75°24°
Low, likely
46°8°–52°11°
Typical high / low
64°18° / 47°8°
Wind
12 mph20 km/h, gusts 26 mph41 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 66°19°, low 50°10°. Typical 63°17° / 47°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 65°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°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
61°16°–69°21°
Low, likely
48°9°–53°12°
Typical high / low
63°17° / 47°8°
Wind
13 mph21 km/h, gusts 27 mph44 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 65°18°, low 52°11°. Typical 63°17° / 47°8°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 59°15°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  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
57°14°–68°20°
Low, likely
44°7°–55°13°
Typical high / low
63°17° / 47°8°
Wind
8 mph13 km/h, gusts 17 mph28 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 67°19°, low 55°13°. Typical 62°17° / 46°8°. Rain 0.05 in1.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 58°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  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°–73°23°
Low, likely
49°9°–59°15°
Typical high / low
62°17° / 46°8°
Wind
9 mph14 km/h, gusts 17 mph27 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 63°, low 40°.
Tomorrow
Dry, high 66°, low 40°, warming up.
Monday
Dry, high 70°, low 50°, 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

Northwest Branch Patapsco River at Baltimore/Fort McHenry (IN MLLW)

8.1 mi

Action stage

Level: 2.6 ft

Forecast peak 2.9 ft Sat 6 PM, action stage

Reading from Sat 7:36 AM · NWS gauge page

Whitemarsh Run near Fullerton

1.8 mi

Below flood stage

Level: 1.1 ft
Flow: under 1 cfs

Reading from Sat 6:50 AM · NWS gauge page

Whitemarsh Run at White Marsh

2.0 mi

Below flood stage

Level: 2.8 ft

Reading from Sat 7:30 AM · NWS gauge page

Honeygo Run near White Marsh

3.0 mi

Below flood stage

Level: 0.6 ft
Flow: 1 cfs

Reading from Sat 6:50 AM · NWS gauge page

For your home

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

Heating this week

About 55% less heating than a typical week.

This week 27Typical 60

Heating degree days, base 65°F

Heat-pump hours, next 7 days

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

Comfort

Dry air outside (dew point 39°F).

Open the windows?

Today, 12:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Maryland Science Center · official normals 1991–2020 · records 1950–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

On average 1°0° colder than normal (daily mean temperature).

−7°−4°SunOct 18
−3°−2°MonOct 19
+4°+2°TueOct 20
+2°+1°WedOct 21
+2°+1°ThuOct 22
±0°FriOct 23
—SatOct 24

Rossville weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 49 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 25 min less
Golden hour: 5:37–6:31 PM; Morning 7:08–8:02 AM
Blue hour: 6:31–6:41 PM; Morning 6:57–7:08 AM; first light 6:57 AM

Stars tonight? Fair

Clear 6:41 PM–6:58 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:37 AM · rises 5:10 PM
Full moon: Oct 26
New moon: Nov 9

Looking southeast from Rossville. The highest point on the skyline is about 2,500 ft, 40 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Rossville, MD weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Northwest Branch Patapsco River at Baltimore/Fort McHenry (IN MLLW)

Whitemarsh Run near Fullerton

Whitemarsh Run at White Marsh

Honeygo Run near White Marsh

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