MDZ507 Current watches, warnings, and advisories for Northwest Harford (MDZ507) MD Frost Advisory issued October 23 at 8:43PM EDT until October 24 at 9:00AM EDT by NWS Baltimore MD/Washington DC * WHAT... Temperatures as low as 33 will result in frost formation.* WHERE... Carroll, Frederick, Cecil, Northern Baltimore, and HarfordCounties in Maryland.* WHEN... From 1 AM to 9 AM EDT Saturday.* IMPACTS... Frost could harm sensitive outdoor vegetation. Sensitiveoutdoor plants may be killed if left uncovered. Frost Advisory ****************


| Mark Hofmann's Bel Air, MD - USA (Weather Station) | |||
|---|---|---|---|
| LAST READING AT TIME: 9:01 PM DATE: October 23 2026, time of next update: 9:02 pm | |||
| Current Weather | mostly clear/Night | Current Temperature | 48.7°F (9.3°C), Apparent temp 47.9°F |
| Maximum Temperature (since midnight) | 62.7°F at: 3:38 PM | Minimum Temperature (since midnight) | 46.2°F at: 7:58 AM |
| Average windspeed (ten minute) | 0.0 mph | Wind Direction (ten minute) | E (90°) |
| Windchill Temperature | 48.7°F | Maximum Gust (last hour) | 0.0 mph at: 9:00 PM |
| Maximum Gust (since midnight) | 15.0 mph at: 10:29 AM | Maximum 1 minute average (since midnight) | 9.6 mph at: 1:05 PM |
| Rainfall (last hour) | 0.000 in. (0.0 mm) | Rainfall (since midnight) | 0.000 in. (0.0 mm) --- |
| Rainfall This month | 3.58 in. (90.9 mm) | Rainfall To date this year | 30.560 in. (776.2 mm) |
| Maximum rain per minute (last hour) | 0.000 in/min | Maximum rain per hour (last 6 hours) | 0.000 in/hour |
| Yesterdays rainfall | 0.000 in | DewPoint | 42.8°F (Wet Bulb :46.0°F ) |
| Humidity | 80 %, Humidex 48.1°F | Barometer corrected to msl | 30.378 in. (1028.7 hPa) |
| Pressure change | +0.01 in. (last hour) | Trend (last hour) | STEADY |
| Pressure change (last 12 hours) | +0.10 in | Pressure change (last 6 hours) | +0.09 in |
| Current Indoor Temp. 79.0°F | |||
| Current Indoor Hum. 39% | |||










Expires:201412031800;;271410 FPUS51 KLWX 031430 ZFPLWX ZONE FORECAST PRODUCT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 930 AM EST WED DEC 3 2014 MDZ007-031800- HARFORD- 930 AM EST WED DEC 3 2014 .REST OF TODAY...AREAS OF FOG LATE THIS MORNING. CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS 10 TO 15 MPH. .TONIGHT...PARTLY CLOUDY IN THE EVENING...THEN CLEARING. LOWS IN THE LOWER 30S. WEST WINDS 10 TO 15 MPH. .THURSDAY...MOSTLY SUNNY. HIGHS IN THE LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH. .THURSDAY NIGHT...CLOUDY. LOWS IN THE LOWER 30S. EAST WINDS AROUND 5 MPH. .FRIDAY...CLOUDY. HIGHS IN THE MID 40S. EAST WINDS AROUND 5 MPH. .FRIDAY NIGHT...CLOUDY WITH A 40 PERCENT CHANCE OF RAIN. LOWS IN THE UPPER 30S. .SATURDAY...RAIN. HIGHS IN THE UPPER 40S. CHANCE OF RAIN 80 PERCENT. .SATURDAY NIGHT...RAIN LIKELY. LOWS IN THE UPPER 30S. CHANCE OF RAIN 70 PERCENT. .SUNDAY...PARTLY SUNNY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS IN THE MID 40S. .SUNDAY NIGHT...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. LOWS IN THE UPPER 30S. .MONDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS IN THE UPPER 40S. .MONDAY NIGHT...MOSTLY CLOUDY. LOWS IN THE UPPER 30S. .TUESDAY...PARTLY SUNNY. HIGHS IN THE MID 40S. $$ BALTIMORE-WASHINGTON INTERNATIONAL , MD, United States (KBWI) 39-10N 076-41W 59M Oct 23, 2026 - 08:54 PM EDT / 2026.10.24 0054 UTC Wind: Calm:0 Visibility: 10 mile(s):0 Sky conditions: mostly clear Temperature: 46.9 F (8.3 C) Dew Point: 41.0 F (5.0 C) Relative Humidity: 79% Pressure (altimeter): 30.42 in. Hg (1030 hPa) ob: KBWI 240054Z 00000KT 10SM FEW250 08/05 A3042 RMK AO2 SLP302 T00830050 cycle: 1