Observed 2:55 AM EDT at KDAA

La Plata, MD weather

Clear and 40°4°.

Mostly agree

Now 40°4°

Clear

Wind: Calm; Up to 6 mph10 km/h through 3 PM
Dew point: 38°3°; Comfortable
Humidity: 94%; Air 40°4°, dew point 38°3° · fog or dew likely
UV index: 0Low; Moderate 11 AM–5 PM · peak 4
Air quality: 15Good; Ozone · tomorrow moderate
Pressure: 30.45 inHg1031 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

4°2° cooler than this time yesterday (43°6° then, 40°4° now)

Good hours for

Above 50°10° today by 10 AM
High 63°17° today at 2 PM
Drops 13°7° today 5–8 PM (62°17° → 49°9°)
Below 50°10° tonight after 7 PM
Drops 13°7° tomorrow 5–8 PM (66°19° → 53°12°)

TonightDown to 39°4° by 5 AM · Clear
This morningUp to 57°14° by 11 AM · Clear
This afternoonUp to 63°17° by 2 PM · Partly cloudy
TonightDown to 38°3° by 4 AM · Partly cloudy
Tomorrow morningUp to 58°14° by 11 AM · Clear
Tomorrow afternoonUp to 67°19° by 2 PM · Clear
Tomorrow nightDown to 41°5° by 2 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 3a	Clear	44°7° (likely 42°6° to 46°8°)	44°7°	0%	2 mph3 km/h from NE, gusts 7 mph11 km/h	89%	5%	0
Sat 4a	Clear	42°6° (likely 41°5° to 45°7°)	40°4°	0%	3 mph5 km/h from NE, gusts 5 mph9 km/h	93%	4%	0
Sat 5a	Clear	39°4° (likely 39°4° to 45°7°)	37°3°	0%	3 mph5 km/h from NE, gusts 6 mph10 km/h	100%	3%	0
Sat 6a	Clear	39°4° (likely 39°4° to 44°7°)	37°3°	0%	3 mph5 km/h from NE, gusts 7 mph12 km/h	100%	1%	0
Sat 7a	Sunny	38°3° (likely 38°3° to 43°6°)	36°2°	0%	3 mph5 km/h from NE, gusts 9 mph15 km/h	100%	1%	0
Sat 8a	Sunny	39°4° (likely 39°4° to 44°7°)	36°2°	0%	5 mph8 km/h from NE, gusts 10 mph16 km/h	100%	0%	0
Sat 9a	Sunny	46°8° (likely 46°8° to 49°9°)	44°7°	0%	5 mph8 km/h from NE, gusts 10 mph16 km/h	89%	0%	1
Sat 10a	Sunny	52°11° (likely 52°11° to 55°13°)	52°11°	0%	5 mph8 km/h from NE, gusts 11 mph18 km/h	77%	6%	2
Sat 11a	Sunny	57°14° (likely 56°13° to 60°16°)	57°14°	0%	5 mph8 km/h from E, gusts 12 mph20 km/h	64%	7%	3
Sat 12p	Sunny	59°15° (likely 58°14° to 63°17°)	59°15°	0%	6 mph10 km/h from E, gusts 11 mph17 km/h	57%	21%	4
Sat 1p	Mostly sunny	62°17° (likely 59°15° to 64°18°)	62°17°	0%	6 mph10 km/h from E, gusts 9 mph14 km/h	52%	39%	4
Sat 2p	Mostly sunny	63°17° (likely 60°16° to 64°18°)	63°17°	0%	6 mph10 km/h from E, gusts 8 mph13 km/h	48%	42%	4
Sat 3p	Mostly sunny	63°17° (likely 59°15° to 64°18°)	63°17°	0%	6 mph10 km/h from E, gusts 9 mph14 km/h	48%	44%	4
Sat 4p	Mostly sunny	63°17° (likely 59°15° to 64°18°)	63°17°	0%	6 mph10 km/h from E, gusts 9 mph14 km/h	48%	38%	3
Sat 5p	Sunny	62°17° (likely 59°15° to 63°17°)	62°17°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	50%	18%	1
Sat 6p	Mostly clear	56°13° (likely 56°13° to 60°16°)	56°13°	0%	3 mph5 km/h from E, gusts 7 mph12 km/h	64%	51%	0
Sat 7p	Mostly clear	49°9° (likely 49°9° to 55°13°)	48°9°	0%	3 mph5 km/h from NE, gusts 5 mph8 km/h	83%	42%	0
Sat 8p	Mostly clear	46°8° (likely 46°8° to 52°11°)	45°7°	0%	3 mph5 km/h from NE, gusts 7 mph11 km/h	93%	22%	0
Sat 9p	Clear	43°6° (likely 43°6° to 51°11°)	43°6°	0%	2 mph3 km/h from NE, gusts 7 mph12 km/h	100%	16%	0
Sat 10p	Partly cloudy	41°5° (likely 41°5° to 50°10°)	41°5°	0%	2 mph3 km/h from NE, gusts 8 mph12 km/h	100%	24%	0
Sat 11p	Mostly clear	41°5° (likely 41°5° to 51°11°)	41°5°	0%	2 mph3 km/h from E, gusts 7 mph12 km/h	100%	48%	0
Sun 12a	Mostly clear	39°4° (likely 39°4° to 49°9°)	39°4°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	100%	25%	0
Sun 1a	Clear	41°5° (likely 41°5° to 48°9°)	41°5°	0%	2 mph3 km/h from NE, gusts 6 mph9 km/h	100%	16%	0
Sun 2a	Clear	39°4° (likely 39°4° to 47°8°)	39°4°	0%	2 mph3 km/h from NE, gusts 6 mph10 km/h	100%	14%	0
Sun 3a	Clear	39°4° (likely 39°4° to 48°9°)	39°4°	0%	2 mph3 km/h from NE, gusts 7 mph12 km/h	100%	10%	0
Sun 4a	Clear	38°3° (likely 38°3° to 48°9°)	38°3°	0%	2 mph3 km/h from NE, gusts 8 mph13 km/h	100%	28%	0
Sun 5a	Clear	38°3° (likely 38°3° to 47°8°)	36°2°	0%	3 mph5 km/h from NE, gusts 8 mph13 km/h	100%	6%	0
Sun 6a	Clear	38°3° (likely 38°3° to 46°8°)	36°2°	0%	3 mph5 km/h from NE, gusts 8 mph14 km/h	100%	3%	0
Sun 7a	Sunny	38°3° (likely 38°3° to 46°8°)	36°2°	0%	3 mph5 km/h from NE, gusts 8 mph14 km/h	100%	9%	0
Sun 8a	Sunny	39°4° (likely 39°4° to 47°8°)	37°3°	0%	3 mph5 km/h from NE, gusts 8 mph13 km/h	100%	13%	0
Sun 9a	Sunny	46°8° (likely 46°8° to 52°11°)	45°7°	0%	3 mph5 km/h from NE, gusts 8 mph13 km/h	96%	16%	1
Sun 10a	Mostly sunny	53°12° (likely 53°12° to 57°14°)	53°12°	0%	3 mph5 km/h from NE, gusts 9 mph15 km/h	77%	17%	2
Sun 11a	Sunny	58°14° (likely 58°14° to 62°17°)	58°14°	0%	3 mph5 km/h from NE, gusts 9 mph15 km/h	67%	6%	3
Sun 12p	Sunny	62°17° (likely 62°17° to 64°18°)	62°17°	0%	3 mph5 km/h from NE, gusts 8 mph14 km/h	56%	10%	4
Sun 1p	Sunny	64°18° (likely 63°17° to 66°19°)	64°18°	0%	2 mph3 km/h from NE, gusts 6 mph10 km/h	52%	13%	4
Sun 2p	Sunny	67°19° (likely 64°18° to 67°19°)	67°19°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	45%	14%	4
Sun 3p	Sunny	67°19° (likely 65°18° to 67°19°)	67°19°	0%	2 mph3 km/h from NE, gusts 6 mph9 km/h	45%	20%	4
Sun 4p	Sunny	67°19° (likely 64°18° to 67°19°)	67°19°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	45%	10%	3
Sun 5p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	48%	7%	1
Sun 6p	Clear	61°16° (likely 59°15° to 61°16°)	61°16°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	58%	2%	0
Sun 7p	Clear	53°12° (likely 53°12° to 56°13°)	53°12°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	77%	1%	0
Sun 8p	Clear	49°9° (likely 49°9° to 53°12°)	49°9°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	89%	0%	0
Sun 9p	Clear	46°8° (likely 46°8° to 50°10°)	46°8°	0%	1 mph2 km/h from E, gusts 3 mph5 km/h	96%	0%	0
Sun 10p	Clear	44°7° (likely 44°7° to 49°9°)	44°7°	0%	1 mph2 km/h from SE, gusts 3 mph4 km/h	100%	0%	0
Sun 11p	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	1 mph2 km/h from SE, gusts 2 mph3 km/h	100%	0%	0
Mon 12a	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	1 mph2 km/h from S, gusts 2 mph3 km/h	100%	0%	0
Mon 1a	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	1 mph2 km/h from SW, gusts 2 mph3 km/h	100%	0%	0
Mon 2a	Clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	1 mph2 km/h from W, gusts 2 mph4 km/h	100%	0%	0

Days ahead

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

Today, Oct 24. Mostly sunny. High 63°17°, low 38°3°. Typical 64°18° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Official NWS forecast
Today: Sunny, with a high near 63. Northeast wind around 6 mph.
Tonight: Mostly clear, with a low around 38. Northeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–64°18°
Low, likely
38°3°–44°7°
Typical high / low
64°18° / 42°6°
Wind
8 mph13 km/h, gusts 16 mph26 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 67°19°, low 38°3°. Typical 63°17° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Official NWS forecast
Day: Sunny, with a high near 67. Northeast wind around 3 mph.
Night: Clear, with a low around 38. South wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–68°20°
Low, likely
38°3°–46°8°
Typical high / low
63°17° / 42°6°
Wind
7 mph11 km/h, gusts 13 mph21 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 69°21°, low 47°8°. Typical 63°17° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 69.
Night: Clear, with a low around 47.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–69°21°
Low, likely
39°4°–47°8°
Typical high / low
63°17° / 42°6°
Wind
7 mph11 km/h, gusts 13 mph21 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 67°19°, low 44°7°. Typical 63°17° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°20°
  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 67.
Night: Mostly clear, with a low around 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–70°21°
Low, likely
44°7°–50°10°
Typical high / low
63°17° / 41°5°
Wind
9 mph14 km/h, gusts 23 mph37 km/h
UV peak
4
Wednesday, Oct 28. Mostly cloudy. High 65°18°, low 46°8°. Typical 62°17° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 65.
Night: Mostly cloudy, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–66°19°
Low, likely
42°6°–49°9°
Typical high / low
62°17° / 41°5°
Wind
6 mph10 km/h, gusts 14 mph23 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 69°21°, low 49°9°. Typical 62°17° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 47°8°
  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, 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 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–69°21°
Low, likely
43°6°–49°9°
Typical high / low
62°17° / 41°5°
Wind
8 mph13 km/h, gusts 20 mph32 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 72°22°, low 48°9°. Typical 62°17° / 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 72.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
68°20°–74°23°
Low, likely
45°7°–51°11°
Typical high / low
62°17° / 40°4°
Wind
9 mph14 km/h, gusts 21 mph33 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 69°21°, low 49°9°. Typical 62°17° / 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  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
64°18°–72°22°
Low, likely
45°7°–51°11°
Typical high / low
62°17° / 40°4°
Wind
7 mph10 km/h, gusts 21 mph33 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 69°21°, low 51°11°. Typical 62°17° / 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 58°14°
  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
64°18°–72°22°
Low, likely
48°9°–56°13°
Typical high / low
62°17° / 40°4°
Wind
8 mph12 km/h, gusts 18 mph29 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 69°21°, low 59°15°. Typical 61°16° / 39°4°. Rain 0.2 in5.1 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 69°21°
  20% chance · 0.09 in2.2 mm
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  20% chance · 0.05 in1.2 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–73°23°
Low, likely
56°13°–61°16°
Typical high / low
61°16° / 39°4°
Wind
14 mph22 km/h, gusts 30 mph47 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 63°, low 38°.
Tomorrow
Dry, high 67°, low 38°, warming up.
Monday
Dry, high 69°, low 47°.
Rest of week
Mostly dry, highs 65–72°.

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

Upper Machodoc Creek near Dahlgren (IN MLLW)

16 mi

Action stage

Level: 3.4 ft

Forecast peak 3.6 ft Sat 2 PM, minor flooding

Reading from Sat 2 AM · NWS gauge page

Potomac River at Alexandria

19 mi

Below flood stage

Level: 0.8 ft

Forecast peak 3.3 ft Sat 7 PM, minor flooding

Reading from Sat 2:12 AM · NWS gauge page

Zekiah Swamp Run near Newtown

4.3 mi

Below flood stage

Level: 0.9 ft
Flow: 14 cfs

Reading from Sat 1:15 AM · NWS gauge page

Mattawoman Creek near Pomonkey

5.9 mi

Below flood stage

Level: 2.2 ft
Flow: 10 cfs

Reading from Sat 1:50 AM · NWS gauge page

For your home

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

Heating this week

About 66% less heating than a typical week.

This week 31Typical 91

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 26
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 38°F).

Open the windows?

Today, 1:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Mechanicsville 5 NE · official normals 1991–2020 · records 1974–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

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

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

La Plata weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 51 min; Losing 2 min 16 s a day; shortest Dec 21, 1 h 23 min less
Golden hour: 5:40–6:34 PM; Morning 7:09–8:02 AM
Blue hour: 6:34–6:44 PM; Morning 6:59–7:09 AM; first light 6:59 AM

Stars tonight? Good

Clear 3:38–6:59 AM; moon 96% lit, sets 5:38 AM.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:38 AM · rises 5:13 PM
Full moon: Oct 26
New moon: Nov 9

Looking southwest from La Plata. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

La Plata, MD weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Upper Machodoc Creek near Dahlgren (IN MLLW)

Potomac River at Alexandria

Zekiah Swamp Run near Newtown

Mattawoman Creek near Pomonkey

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? Good

Moon