Thornbrook, MD
Unincorporated community in Howard County, Maryland
Thornbrook is a small unincorporated community in Howard County, Maryland. It is 1.8 miles S of Ellicott City, the nearest town. Its ZIP code is 21163.
Thornbrook at a glance
- State
- Maryland
- County
- Howard County
- ZIP code
- 21163
- Nearest town
- Ellicott City (1.8 mi)
- Time zone
- America/New York
- Coordinates
- 39.3011, -76.8431
Weather in Thornbrook now
Loading the National Weather Service forecast…
Thornbrook weather by the hour
Thornbrook weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Thornbrook.
This week in Thornbrook
Sunrise, sunset and moon in Thornbrook
What is the weather usually like in Thornbrook?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 87°F average high
- Januarycoldest month · 27°F average low
- 47.6 inprecipitation per year · 1,210 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Thornbrook: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station CYLBURN, MD US (USC00182308), adjusted for the elevation of Thornbrook.
Thornbrook weather month by month
Sunrise and sunset in Thornbrook through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:23 AM | 5:09 PM | 9 h 46 min |
| February | 6:57 AM | 5:45 PM | 10 h 48 min |
| March | 7:16 AM | 7:15 PM | 11 h 58 min |
| April | 6:28 AM | 7:46 PM | 13 h 17 min |
| May | 5:52 AM | 8:15 PM | 14 h 23 min |
| June | 5:38 AM | 8:37 PM | 14 h 58 min |
| July | 5:51 AM | 8:34 PM | 14 h 42 min |
| August | 6:19 AM | 8:04 PM | 13 h 45 min |
| September | 6:47 AM | 7:17 PM | 12 h 29 min |
| October | 7:16 AM | 6:30 PM | 11 h 14 min |
| November | 6:49 AM | 4:54 PM | 10 h 4 min |
| December | 7:18 AM | 4:46 PM | 9 h 28 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Thornbrook?
Thornbrook has a humid subtropical climate. The warmest month is July, with an average high of 87°F (30°C), and the coldest is January, with average lows of 27°F (-3°C).
It gets about 47.6 inches (1,210 mm) of precipitation a year. The wettest month is July and the driest is February.
The best time to visit Thornbrook is May–June and August–September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
Webcams near Thornbrook
The closest live webcam is Towson › South, 7.5 miles NE of Thornbrook.
Webcams: Windy.com. Distances in a straight line from Thornbrook.
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Map of Thornbrook, MD
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Thornbrook Street View
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Open in Google Maps ›Towns near Thornbrook
Other communities near Thornbrook
- McAlpine2.9 mi S
- Keywaydin3.2 mi SE
- Dorsey Hall3.2 mi S
- Autumn Hill3.5 mi SE
- The Willows3.5 mi S
- O'Donnell3.6 mi S
- Stonecrest Hills3.6 mi SE
- Wheatfield Way4.2 mi SE
- Village of Dorseys Search4.5 mi S
- Running Brook4.8 mi S
- Guilford Downs5.0 mi S
- Donghoregan5.0 mi SW
- The Birches5.1 mi S
- Worthington5.1 mi SE
- Elioak5.2 mi SW
Questions about Thornbrook
Where is Thornbrook, MD?
Thornbrook is an unincorporated community in Howard County, Maryland, 1.8 miles S of Ellicott City.
What county is Thornbrook in?
Thornbrook is in Howard County, Maryland.
What is the ZIP code of Thornbrook, MD?
The ZIP code for Thornbrook is 21163.
What is the nearest town to Thornbrook?
Ellicott City, 1.8 miles away.
Are there webcams near Thornbrook?
Yes. The closest is Towson › South, 7.5 miles away.
What is the hottest month in Thornbrook?
July, with an average high of 87°F (30°C).
What is the coldest month in Thornbrook?
January, with an average low of 27°F (-3°C).
How much does it rain in Thornbrook?
About 47.6 inches (1,210 mm) a year; the wettest month is July.
Does it snow in Thornbrook?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Thornbrook?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Thornbrook have?
Humid subtropical (Köppen Cfa).
Last updated: