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Observed 9:55 PM EDT at KDAA

Hybla Valley, VA weather

Clear and 45°7°.

Today: low 40°4° (likely 38°3° to 41°5°), high 64°18° (likely 63°17° to 66°19°).

Mostly agree

Now 45°7°

Clear

Wind
Calm
Light through 10 AM
Dew point
43°6°
Comfortable
Humidity
92%
Air 45°7°, dew point 43°6° · fog or dew likely
UV tomorrow
4Moderate
Moderate 11 AM–5 PM · peak 4
Air quality
52Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.52 inHg1034 hPa
Steady over the last 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

About the same as this time yesterday (44°7° then, 45°7° now)

Good hours for
  • Low 42°6° tomorrow at 7 AM
  • Above 50°10° tomorrow by 10 AM
  • High 67°19° tomorrow at 3 PM
  • Fog Monday 5–10 AM
  1. TonightDown to 43°6° by 4 AM · Clear
  2. Tomorrow morningUp to 58°14° by 11 AM · Clear
  3. Tomorrow afternoonUp to 67°19° by 3 PM · Clear
  4. Tomorrow nightDown to 43°6° by 5 AM · Clear
  5. Monday morningUp to 59°15° by 11 AM · Partly cloudy
  6. Monday afternoonUp to 71°22° by 4 PM · Clear
  7. Monday nightDown to 57°14° by 9 PM · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 10pMostly cloudy49°9° (likely 49°9° to 50°10°)49°9°0%2 mph3 km/h from NE, gusts 5 mph9 km/h83%32%0
Sat 11pPartly cloudy49°9° (likely 49°9° to 50°10°)49°9°0%2 mph3 km/h from NE, gusts 4 mph6 km/h83%53%0
Sun 12aPartly cloudy48°9° (likely 48°9° to 49°9°)48°9°0%2 mph3 km/h from NE, gusts 4 mph6 km/h86%31%0
Sun 1aClear48°9° (likely 47°8° to 49°9°)48°9°0%2 mph3 km/h from N, gusts 4 mph6 km/h86%6%0
Sun 2aClear44°7° (likely 44°7° to 48°9°)44°7°0%2 mph3 km/h from NE, gusts 4 mph6 km/h96%3%0
Sun 3aClear44°7° (likely 44°7° to 47°8°)44°7°0%2 mph3 km/h from N, gusts 4 mph7 km/h96%5%0
Sun 4aMostly clear43°6° (likely 43°6° to 46°8°)43°6°0%2 mph3 km/h from N, gusts 4 mph6 km/h96%17%0
Sun 5aClear43°6° (likely 43°6° to 45°7°)43°6°0%2 mph3 km/h from N, gusts 5 mph8 km/h96%7%0
Sun 6aClear43°6° (likely 43°6° to 45°7°)43°6°0%2 mph3 km/h from N, gusts 5 mph8 km/h96%4%0
Sun 7aSunny42°6° (likely 42°6° to 44°7°)42°6°0%2 mph3 km/h from N, gusts 5 mph8 km/h96%3%0
Sun 8aSunny43°6° (likely 42°6° to 45°7°)43°6°0%2 mph3 km/h from N, gusts 5 mph8 km/h96%2%0
Sun 9aSunny47°8° (likely 47°8° to 49°9°)47°8°0%2 mph3 km/h from NE, gusts 4 mph6 km/h89%4%1
Sun 10aSunny54°12° (likely 53°12° to 56°13°)54°12°0%2 mph3 km/h from NE, gusts 6 mph9 km/h74%5%2
Sun 11aSunny58°14° (likely 58°14° to 60°16°)58°14°0%2 mph3 km/h from E, gusts 6 mph9 km/h67%4%3
Sun 12pSunny61°16° (likely 61°16° to 63°17°)61°16°0%2 mph3 km/h from E, gusts 5 mph9 km/h58%4%4
Sun 1pSunny64°18° (likely 63°17° to 65°18°)64°18°0%2 mph3 km/h from E, gusts 5 mph8 km/h50%6%4
Sun 2pSunny65°18° (likely 64°18° to 66°19°)65°18°0%2 mph3 km/h from E, gusts 4 mph6 km/h46%4%4
Sun 3pSunny67°19° (likely 65°18° to 67°19°)67°19°0%2 mph3 km/h from SE, gusts 4 mph6 km/h43%4%4
Sun 4pSunny66°19° (likely 65°18° to 67°19°)66°19°0%1 mph2 km/h from E, gusts 5 mph7 km/h45%4%3
Sun 5pSunny67°19° (likely 64°18° to 67°19°)67°19°0%2 mph3 km/h from SE, gusts 4 mph7 km/h43%7%1
Sun 6pClear63°17° (likely 60°16° to 64°18°)63°17°0%2 mph3 km/h from SE, gusts 4 mph6 km/h52%8%0
Sun 7pClear60°16° (likely 56°13° to 60°16°)60°16°0%2 mph3 km/h from SE, gusts 3 mph5 km/h58%16%0
Sun 8pClear56°13° (likely 53°12° to 56°13°)56°13°0%2 mph3 km/h from E, gusts 3 mph5 km/h66%2%0
Sun 9pClear52°11° (likely 52°11° to 54°12°)52°11°0%1 mph2 km/h from E, gusts 5 mph7 km/h77%0%0
Sun 10pClear50°10° (likely 50°10° to 52°11°)50°10°0%1 mph2 km/h from S, gusts 5 mph8 km/h83%1%0
Sun 11pClear48°9° (likely 48°9° to 51°11°)48°9°0%1 mph2 km/h from S, gusts 3 mph5 km/h86%0%0
Mon 12aClear46°8° (likely 46°8° to 50°10°)46°8°0%0 mph0 km/h, gusts 2 mph4 km/h93%0%0
Mon 1aClear45°7° (likely 45°7° to 49°9°)45°7°0%1 mph2 km/h from SW, gusts 2 mph3 km/h93%1%0
Mon 2aClear44°7° (likely 44°7° to 48°9°)44°7°0%1 mph2 km/h from W, gusts 2 mph4 km/h96%1%0
Mon 3aClear44°7° (likely 44°7° to 47°8°)44°7°0%1 mph2 km/h from S, gusts 3 mph4 km/h96%1%0
Mon 4aClear44°7° (likely 43°6° to 46°8°)44°7°0%1 mph2 km/h from W, gusts 2 mph4 km/h93%17%0
Mon 5aFog43°6° (likely 42°6° to 45°7°)43°6°0%1 mph2 km/h from W, gusts 2 mph3 km/h96%42%0
Mon 6aFog43°6° (likely 42°6° to 45°7°)43°6°0%1 mph2 km/h from W, gusts 2 mph3 km/h93%55%0
Mon 7aFog42°6° (likely 41°5° to 44°7°)42°6°0%1 mph2 km/h from W, gusts 2 mph3 km/h96%60%0
Mon 8aFog43°6° (likely 41°5° to 44°7°)43°6°0%1 mph2 km/h from W, gusts 2 mph3 km/h93%60%0
Mon 9aFog48°9° (likely 44°7° to 48°9°)48°9°0%1 mph2 km/h from W, gusts 2 mph3 km/h83%60%1
Mon 10aMostly sunny54°12° (likely 52°11° to 54°12°)54°12°0%2 mph3 km/h from W, gusts 7 mph11 km/h71%42%2
Mon 11aSunny59°15° (likely 56°13° to 61°16°)59°15°0%3 mph5 km/h from W, gusts 8 mph13 km/h64%16%3
Mon 12pSunny63°17° (likely 62°17° to 65°18°)63°17°0%5 mph8 km/h from W, gusts 9 mph14 km/h56%7%4
Mon 1pSunny67°19° (likely 65°18° to 67°19°)67°19°0%5 mph8 km/h from NW, gusts 8 mph13 km/h49%0%4
Mon 2pSunny69°21° (likely 67°19° to 69°21°)69°21°0%5 mph8 km/h from NW, gusts 9 mph14 km/h45%0%4
Mon 3pSunny70°21° (likely 68°20° to 70°21°)70°21°0%5 mph8 km/h from NW, gusts 9 mph14 km/h42%0%4
Mon 4pSunny71°22° (likely 68°20° to 71°22°)71°22°0%5 mph8 km/h from NW, gusts 9 mph14 km/h41%0%3
Mon 5pSunny71°22° (likely 67°19° to 71°22°)71°22°0%3 mph5 km/h from NW, gusts 9 mph15 km/h42%0%1
Mon 6pClear68°20° (likely 63°17° to 68°20°)68°20°0%2 mph3 km/h from NW, gusts 6 mph10 km/h47%0%0
Mon 7pClear64°18° (likely 59°15° to 64°18°)64°18°0%1 mph2 km/h from NW, gusts 4 mph6 km/h54%0%0
Mon 8pClear60°16° (likely 56°13° to 60°16°)60°16°0%1 mph2 km/h from NW, gusts 3 mph5 km/h62%0%0
Mon 9pClear57°14° (likely 54°12° to 57°14°)57°14°0%1 mph2 km/h from NW, gusts 2 mph3 km/h69%1%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 64°18°, low 40°4°. Typical 66°19° / 49°9°. Dry. Mostly agree.
    1. Evening

      6 PM–midnight

      Partly cloudy, 49°9°

      Dry

    2. Overnight

      midnight–6 AM

      Clear, 43°6°

      Dry

    Official NWS forecast

    Tonight: Partly cloudy, with a low around 40. Northeast wind around 2 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    63°17°–66°19°
    Low, likely
    38°3°–41°5°
    Typical high / low
    66°19° / 49°9°
    Wind
    7 mph10 km/h, gusts 14 mph22 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Mostly sunny. High 67°19°, low 41°5°. Typical 66°19° / 49°9°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 43°6°

      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, 43°6°

      Dry

    Official NWS forecast

    Day: Sunny, with a high near 67. Northeast wind around 2 mph.

    Night: Clear, with a low around 41. South wind around 2 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    65°18°–67°19°
    Low, likely
    41°5°–44°7°
    Typical high / low
    66°19° / 49°9°
    Wind
    5 mph8 km/h
    UV peak
    4
  3. Monday, Oct 26. Mostly sunny. High 72°22°, low 50°10°. Typical 66°19° / 48°9°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Fog, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 71°22°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 60°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 50°10°

      Dry

    Official NWS forecast

    Day: Sunny, with a high near 72. West wind 1 to 5 mph.

    Night: Mostly clear, with a low around 50. Northwest wind 1 to 5 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    68°20°–72°22°
    Low, likely
    41°5°–50°10°
    Typical high / low
    66°19° / 48°9°
    Wind
    5 mph8 km/h, gusts 13 mph21 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Mostly sunny. High 70°21°, low 48°9°. Typical 65°18° / 48°9°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 51°11°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 68°20°

      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: 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
    67°19°–70°21°
    Low, likely
    48°9°–51°11°
    Typical high / low
    65°18° / 48°9°
    Wind
    8 mph13 km/h, gusts 19 mph30 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Cloudy. High 67°19°, low 49°9°. Typical 65°18° / 48°9°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 66°19°

      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.

    Official NWS forecast

    Day: Mostly sunny, with a high near 67.

    Night: Mostly cloudy, with a low around 49.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    64°18°–67°19°
    Low, likely
    46°8°–50°10°
    Typical high / low
    65°18° / 48°9°
    Wind
    6 mph9 km/h, gusts 18 mph29 km/h
    UV peak
    4
  6. Thursday, Oct 29. Partly sunny. High 72°22°, low 50°10°. Typical 65°18° / 47°8°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 49°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 69°21°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 58°14°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 51°10°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 72.

    Night: Mostly clear, with a low around 50.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    68°20°–72°22°
    Low, likely
    47°8°–51°11°
    Typical high / low
    65°18° / 47°8°
    Wind
    6 mph10 km/h, gusts 22 mph35 km/h
    UV peak
    4
  7. Friday, Oct 30. Mostly sunny. High 75°24°, low 53°12°. Typical 64°18° / 47°8°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 75°24°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 53°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 75.

    Night: Mostly clear, with a low around 53.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    75°24°–76°24°
    Low, likely
    48°9°–53°12°
    Typical high / low
    64°18° / 47°8°
    Wind
    5 mph8 km/h, gusts 11 mph18 km/h
    UV peak
    4
  8. Saturday, Oct 31. Partly sunny. High 73°23°, low 52°11°. Typical 64°18° / 46°8°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 51°11°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 72°22°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 59°15°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 54°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 73.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    65°18°–73°23°
    Low, likely
    48°9°–55°13°
    Typical high / low
    64°18° / 46°8°
    Wind
    7 mph11 km/h, gusts 17 mph27 km/h
    UV peak
    3
  9. Sunday, Nov 1. Cloudy. High 72°22°, low 54°12°. Typical 64°18° / 46°8°. Rain 0.02 in0.5 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 54°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 72°22°

      20% chance

    3. Evening

      6 PM–midnight

      Drizzle, 65°18°

      30% chance · 0.03 in0.9 mm

    4. Overnight

      midnight–6 AM

      Showers, 63°17°

      30% chance · 0.06 in1.5 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
    68°20°–76°24°
    Low, likely
    51°11°–57°14°
    Typical high / low
    64°18° / 46°8°
    Wind
    9 mph15 km/h, gusts 29 mph47 km/h
    UV peak
    4
  10. Monday, Nov 2. Showers. High 74°23°, low 61°16°. Typical 63°17° / 46°8°. Rain 0.21 in5.3 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Showers, 64°18°

      30% chance · 0.04 in1.1 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 74°24°

      20% chance · 0.01 in0.3 mm

    3. Evening

      6 PM–midnight

      Clear, 66°19°

      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
    72°22°–79°26°
    Low, likely
    57°14°–68°20°
    Typical high / low
    63°17° / 46°8°
    Wind
    17 mph27 km/h, gusts 37 mph59 km/h
    UV peak
    2

The outlook

  1. Today

    Dry, high 64°, low 40°.

  2. Tomorrow

    Dry, high 67°, low 41°, warming up.

  3. Monday

    Dry, high 72°, low 50°, warming up.

  4. Rest of week

    Mostly dry, highs 67–75°.

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 Alexandria

4.7 mi
Below flood stage
Level
2.1 ft

Forecast peak 3.2 ft Sun 7 AM, action stage

Reading from Sat 10:12 PM · NWS gauge page

Little Hunting Creek Trib at Audubon Ave

0.6 mi
Below flood stage
Level
19.1 ft

Reading from Sat 9:50 PM · NWS gauge page

Unnamed Tributary at New Alexandria Storm Water Pumping Station - Downstream

2.4 mi
Below flood stage
Level
3.1 ft

Reading from Sat 10:20 PM · NWS gauge page

Unnamed Tributary at New Alexandria Pump Station - Upstream

2.4 mi
Below flood stage
Level
1.4 ft

Reading from Sat 10 PM · NWS gauge page

For your home

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

Heating this week

About 61% less heating than a typical week.

This week 23Typical 59

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
17
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 2 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 43°F).

Open the windows?

Sun, 12:00 PM–7:00 PM

Good stretch to open the windows.

Is this typical?

Washington Reagan National Airport · official normals 1991–2020 · records 1872–2026

Oct 24, today vs a typical year

Today’s expected high is 2°1° colder than typical.

Normal high / low
66°19° / 49°9°
Forecast high / low
64°18° / 40°4°
Record high
84°29° in 2001
Record low
29°−2° in 1895

Last 7 days vs normal

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

  1. −4°−2°MonOct 19
  2. +1°±0°TueOct 20
  3. ±0°WedOct 21
  4. −1°ThuOct 22
  5. −1°FriOct 23
  6. —SatOct 24
  7. —SunOct 25

Hybla Valley weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:26 AM, sunset 6:17 PM.

Daylight
10 h 51 min
Losing 2 min 16 s a day; shortest Dec 21, 1 h 24 min less
Golden hour
5:40–6:34 PM
Morning 7:10–8:03 AM
Blue hour
6:34–6:44 PM
Morning 6:59–7:10 AM; first light 6:59 AM

Stars tonight? Fair

Mostly clear 1–7 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 Hybla Valley. The highest point on the skyline is about 3,000 ft, 12 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.