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Anne Arundel Co.
 Details for Anne Arundel Co. Freeze Warning
 Carroll Co.
 Details for Carroll Co. Freeze Warning  +2 additional alerts
 Harford Co.
 Details for Harford Co. Freeze Warning  +1 additional alert
 Howard Co.
 Details for Howard Co. Freeze Warning  +1 additional alert
 Montgomery Co.
 Details for Montgomery Co. Freeze Warning  +1 additional alert
 Prince Georges Co.
 Details for Prince Georges Co. Freeze Warning
 Northern Baltimore Co.
 Details for Northern Baltimore Co. Freeze Warning  +1 additional alert
 Southern Baltimore Co. & City
 Details for Southern Baltimore Co. & City Freeze Warning  +1 additional alert
 Frederick Co.
 Details for Frederick Co. Freeze Warning

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Freeze Warning FREEZE WARNING - Anne Arundel Co.  - Carroll Co.  - Carroll Co.  - Frederick Co.  - Harford Co.  - Harford Co.  - Howard Co.  - Howard Co.  - Montgomery Co.  - Montgomery Co.  - Northern Baltimore Co.  - Northern Baltimore Co.  - Prince Georges Co.  - Southern Baltimore Co. & City  - Southern Baltimore Co. & City
Test Message TEST MESSAGE - Carroll Co.

img img img
Radar Legend
Bless America
Afternoon OBSERVATIONS: Its afternoon,mostly cloudy/dry and it feels cool outside. The temperature has been rising for the last few hours. There is a gentle breeze from the north west. Visibility is about 10 miles. The sun is shining brightly. The barometer has been steady over the last hour. So far no measurable precipitation has been observed today.
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Updated: 20-Apr-2026 @ 3:47pm   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 1.5°F than last hour.

53.4°F

Cold
High Today
55.8°F
15:14 		Low Today
37.7°F
02:24
Yest High
60.6°F
16:17 		Yest Low
40.7°F
23:57
Station High
88.9°F
2005* 		Station Low
34.7°F
2018*
BWI High
94.0°F
1941 		BWI Low
27.0°F
1904
* This Station's Records Since 8/2004
Mostly cloudy, Dry Mostly cloudy, Dry

Wind from WNW Wind:  WNW
8.2
Gusting to:
 4.6 mph
Current Rain Rain:
0.00 in
Fire Weather Index: MINIMAL Current FWI:4
Fire Danger:
4.8 of 232
This
Afternoon
This Afternoon: Scattered Rain Showers
Scattered Rain Showers
Tonight

Tonight: Mostly Clear then Widespread Frost
Mostly Clear then Widespread Frost
Tuesday

Tuesday: Widespread Frost then Sunny
Widespread Frost then Sunny
Hi 55 °F Lo 33 °F Hi 60 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 2.8°F since last hour. 27.8°F
Last Hour: Decreased 2.8°F since last hour. -2.8°F
High 09:13: 38.3°F
Low 15:42: 27.6°F
Record High: 87.6°F on
16-Aug-2017
Record Low: -34.2°F on
17-Nov-2005
Wetbulb: 43.4°F
Today: 0.00 in
Yesterday: 0.14 in
Last 7 Days: 0.23 in
Apr Rain: 0.87 in
Apr to Date
  Avg:10 		0.08 in
Apr to Date
  Diff from Avg:10 		Over 0.79 in for the month 0.79 in
Apr Avg: 3.53 in
Diff from Avg: Under 2.66 in for the month 2.66 in
Season:1 5.11 in
YTD
  Avg:11 		7.45 in
YTD
  Diff from Avg:11 		Under 2.34 in for the year 2.34 in
Last Rain
Time/Date: 		19-Apr-2026
at 13:53
38 rain days in 2026
6 days in April
0 days since last rain
Current: WNW  8.2 mph
1Hr Average: 6.0 mph
Wind Run: 66.66 miles
Wind Gust
Current: 4.6 mph
Today: 25.3 mph 15:16
Month: 59.8 mph 1-Apr
Year: 59.8 mph 1-Apr
Record Gust: 92.0 mph
19-Sep-2003
Sunlight:
13 h 27 m 15 s
of Sunlight Yesterday
13 h 29 m 38 s
of Sunlight Today Which is
2 min 23 sec longer than
yesterday
13 h 32 m 1 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)

Waxing Crescent
Waxing Crescent, 3 days, 7 hours, 58 minutes in cycle
15%
Illuminated
Humidity Barometer
Current: Decreased 7% since last hour. 37%
Last Hour: Decreased 7% since last hour. 7%
High 03:20: 84%
Low 15:39: 37%
Record High: 100%
29-Sep-2005
Record Low: 0%
17-Aug-2023
Current: Falling 0.5 inHg/hr 1020.9 inHg
Last Hour: Steady
High 13:05: 1021.4
Low 03:10: 1018.2
Record High: 1046.1 inHg
14-Dec-2024
Record Low: 963.4 inHg
29-Oct-2012
Heating Degree Days Lightning Strikes Wind Chill Air
Today: 15.1
Apr: 132.1
2026 to Date: 2518.6
Cooling Degree Days
2026 to Date: 70.7
Last Min: 0
Last 5 Mins: 0
Last 30 Mins: 0
Last 60 Mins: 0
Last 12 Hrs: 20
Apr: 3442
2026 to Date: 9962
Last
Strike:		 14:11:59
20-Apr-2026
Current: 46.6°F
Low 07:40: 36.8°F
Yesterday: 34.9°F
Record: -27.4°F
24-Jan-2026
Quality Index:6
43

Good

Davis AirLink Sensor
Quality Index:12
5.7

    Good Air Quality    
Particulate Matter Concentration mcg/m3
PM1.0: 0.9    PM2.5: 1.4    PM10: 1.8
Current UV Index Current Solar Energy9
1.9
Sunburn in
59 Minutes 		Highest:
12:36
4.2
974 W/m2
100%
W/m2 ⇒ SI 		High Today:
13:28
 1320  W/m2
Record:
1517 W/m2
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Afternoon
YTD Avg Temp: 42.7°F
Sunrise: 06:22
Sunset: 19:49
Moonrise: 08:12
Moonset: 22:58
Full Moon: 01-May-2026
New Moon: 20:02 UTC
16-May-2026
Updated at Midnight
Current ET: 0.13 in
7-Days Rain: 0.23 in
7-Days ET: 1.26 in
7-Day: 1.03 in water in deficit of what evaporated in last 7 days. 1.03 in
April: 2.26 in water in deficit of what evaporated this month. 2.26 in
HIGHS: LOWS:
104.2°F
16-Jul-2024 		-0.0°F
1-Mar-2011
Daytime Records
  103.1°F
16-Jul-2024 		  0.5°F
23-Nov-2019
Nitetime Records
  90.3°F
08-Jul-2012 		  -0.0°F
01-Mar-2018
ICN:3 | S3C2:4 | Ajax 3.xx
ISS:Ok | CON:4.8V | RCP:100%
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured and updated as required.   4 Updated at Noon Eastern Standard Time.   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   6 Air Quality Index for Metro Balto, MD (9) is provided by AirNow and is updated hourly between the hours of 6AM and Midnight.   9 Solar Index represents either an absolute scale of solar energy (W/m²) using the station’s recorded maximum or a percentage of computed theoretical solar maximum using the station’s location and time of day. These indices differ most when the sun is low on the horizon. The current scale is shown, and will toggle if it or the icon is clicked.   10 Historical average only to day 20 of just the month of April for this station since 2005.   11 Historical average rain this season to day 20 of April for this station since 2005.   12 Data from Davis AirLink AQ Sensor located at Halethorpe Weather-Watch.   13 NWS Zone Forecast (MDZ011).   14 NWS County Forecast (MDC005).  
 NWS Weather Forecast  -   Outlook This Afternoon & Tonight
This
Afternoon
This Afternoon: Scattered Rain Showers
Scattered Rain Showers

Hi 55 °F 		NWS zone forecast:13 Scattered rain showers. Mostly cloudy, with a high near 55. Northwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
 NWS county forecast:14 Mostly cloudy with scattered sprinkles. Highs in the mid 50s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Tonight

Tonight: Mostly Clear then Widespread Frost
Mostly Clear then Widespread Frost

Lo 33 °F 		NWS forecast:13 Widespread frost after 2am. Mostly clear, with a low around 33. North wind 3 to 13 mph, with gusts as high as 22 mph.
 NWS Short Term Weather Forecast
Tuesday

Tuesday: Widespread Frost then Sunny
Widespread Frost then Sunny
Tuesday
Night
Tuesday Night: Partly Cloudy then Chance Rain Showers
Partly Cloudy then Chance Rain Showers
Wednesday

Wednesday: Chance Rain Showers
Chance Rain Showers
Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms then Partly Cloudy
Chance Showers And T-Storms then Partly Cloudy
Thursday

Thursday: Sunny
Sunny
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy
Friday

Friday: Mostly Sunny then Slight Chance Rain Showers
Mostly Sunny then Slight Chance Rain Showers
Hi 60 °F Lo 47 °F Hi 72 °F Lo 51 °F Hi 76 °F Lo 54 °F Hi 77 °F
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