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Weather Conditions for Terrapin Forest, Virginia : Prince William County
Issued: 10:52 am EDT Oct 14, 2026 Latitude: 38.66234 Longitude: -77.39693 View on Google Maps

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This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on This Afternoon 20% chance of thunderstorms on Tonight 80% chance of rain on Thursday 40% chance of  on Friday Sunny on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday
High: 88°F Low: 60°F High: 65°F High: 82°F High: 56°F High: 60°F High: 64°F High: 68°F
Low: 58°F Low: 47°F Low: 37°F Low: 40°F Low: 46°F  
Sunny Thunderstorms Rain Partly Sunny Sunny Sunny Sunny Mostly Sunny

Hourly forecast

Terrapin Forest, va · Next 24 hours · Eastern time (EST/EDT)

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Current Conditions at
MANASSAS - (KHEF)
88°
Feels like 90°F
Clear
as of 12:56 PM EDST
Rel. Humidity: 48%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
7 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
FORT BELVOIR - (KDAA)
82°
Clear
as of 12:55 PM EDST
Rel. Humidity: 65%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
3 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
QUANTICO MCAS - (KNYG)
82°
Partly Cloudy
as of 12:56 PM EDST
Rel. Humidity: 61%
Dew Point: 68°F
Visibility: 7 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
7 MPH
170° South
Cloud Level(s): Scattered at 10000ft
Current Conditions at
WASH-DULLES - (KIAD)
88°
Feels like 89°F
Mostly Cloudy
as of 12:52 PM EDST
Rel. Humidity: 45%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
10 MPH
190° South
Cloud Level(s): Few at 11000ft, Broken at 16000ft
Sunny on This Afternoon This Afternoon... Sunny, with a high near 88. Southwest wind around 7 mph.

20% chance of thunderstorms Tonight Tonight... A slight chance of showers and thunderstorms before 2am, then a slight chance of showers after 3am. Increasing clouds, with a low around 60. Light and variable wind becoming north around 6 mph in the evening. Chance of precipitation is 20%.

80% chance of rain Thursday Thursday... Showers, mainly after 10am. High near 65. Northeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

20% chance of rain Thursday Night Thursday Night... A slight chance of showers. Cloudy, with a low around 58. Light and variable wind becoming south around 6 mph after midnight. Chance of precipitation is 20%.

40% chance of  Friday Friday... A chance of showers after 2pm. Partly sunny, with a high near 82. South wind 10 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

30% chance of rain Friday Night Friday Night... A chance of showers before 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.

Sunny on Saturday Saturday... Sunny, with a high near 56.

Clear on Saturday Night Saturday Night... Clear, with a low around 37.

Sunny on Sunday Sunday... Sunny, with a high near 60.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 40.

Sunny on Monday Monday... Sunny, with a high near 64.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 46.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 68.

Virginia's Warnings, Watches, and AdvisoriesVirginia's Watches, Warnings, and Advisories

Sun Almanac for Terrapin Forest, Virginia
Astronomical Sunrise 15:50 AM?Astronomical sunrise occurs when the Sun is 18° below the horizon and the sky begins to brighten from a completly darkened state.
Nautical Sunrise 16:21 AM?Nautical sunrise (or nautical dawn) is the precise moment when the sun's center is 12° below the horizon in the morning. It marks the beginning of nautical twilight, allowing pilots/mariners to see the horizon.
Civil Sunrise 16:51 AM?Civil sunrise is the moment in the morning when the sun's center is 6° below the horizon. It marks the start of morning civil twilight, providing enough natural light for most, outdoor activities without artificial lighting. It typically occurs roughly 20-30 minutes before actual sunrise.
Sunrise 17:18 AM?Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. It marks the end of the twilight phase, often accompanied by distinct atmospheric colors.

Daylight: -1 Hours 15 Minutes?Daylight hours are the period of time between local sunrise and sunset, representing the daily portion of sunlight. These hours change in length based on season, Earth's tilt, and latitude.

Sunset 04:33 PM?The sunset is defined in astronomy as the moment the upper limb of the Sun disappears below the horizon. It marks the end of daylight and is often accompanied by distinct atmospheric colors. It also signals the beginning of twilight.
Civil Sunset 05:00 PM?Civil sunset (or evening civil twilight) occurs when the center of the sun is 6° below the horizon, marking the end of the brightest twilight phase. It typically occurs roughly 20-30 minutes after sunset, providing enough light for most outdoor activities to continue without artificial light.
Nautical Sunset 05:30 PM?Nautical sunset occurs when the sun's center is 12° below the horizon, marking the end of nautical twilight. This phase, following civil twilight, allows the horizon to remain visible, enabling mariners to take accurate star sights for navigation. The sky is dark, but some ambient light remains
Astronomical Sunset 06:01 PM?Astronomical sunrise occurs when the Sun drops to 18° below the horizon. This causes the sky to enter a completly darkened state.

Civil Rise to Set: 0 Hours 9 Minutes
Nautical Rise to Set: 1 Hours 9 Minutes
Astro Rise to Set: 2 Hours 11 Minutes

Click for yearly Sun Almanac for Terrapin Forest
Moon Almanac for Terrapin Forest, Virginia
Moon Phase: Waxing Crescent
Moon Illumination: 16%
Moon Age: 3.85 Days
Moon is currently above the horizon
Distance from Moon to Earth: 250,620 miles
Upcoming Lunar Events for
Terrapin Forest:
Next EventEvent TimeIllum

High Moon:04:05 pm Wed16.7%
Moonset:08:37 pm Wed18.0%
Moonrise:12:27 pm Thu23.1%
High Moon:04:56 pm Thu24.7%
Moonset:09:25 pm Thu26.2%
New Moon: Sat Oct 10
First Quarter: Sun Oct 18
Full Moon: Mon Oct 26
Last Quarter: Sun Nov 1
New Moon: Mon Nov 9
Click for Monthly Moon Almanac