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Current Weather Conditions:
KNUI WEBSTER FIELD ANNEX, MD, United States

NWS Point Forecast for KNUI (KNUI) 38-09N 76-25W 6M

Conditions at

2026.08.18 1953 UTC
Wind Variable at 5 MPH (4 KT)
Visibility 10 mile(s)
Sky conditions overcast
Temperature 82.9 F (28.3 C)
Dew Point 75.0 F (23.9 C)
Relative Humidity 77%
Pressure (altimeter) 29.84 in. Hg (1010 hPa)
ob KNUI 181953Z AUTO VRB04KT 10SM SCT030 BKN038 OVC095 28/24 A2984 RMK AO2 SLP104 T02830239

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
84.9 (29.4) 75.9 (24.4) In the 6 hours preceding Aug 18, 2026 - 01:53 PM EDT / 2026.08.18 1753 UTC
91.0 (32.8) 75.0 (23.9) In the 24 hours preceding Aug 18, 2026 - 12:53 AM EDT / 2026.08.18 0453 UTC

Precipitation Accumulation

Precipitation
Amount
1.12 inches In the 24 hours preceding Aug 18, 2026 - 07:53 AM EDT / 2026.08.18 1153 UTC

24 Hour Summary

Time
EDT (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 4 PM (20) Aug 18 82.9 (28.3) 75.0 (23.9) 29.84 (1010) Variable 5
3 PM (19) No Data
2 PM (18) Aug 18 84.0 (28.9) 73.9 (23.3) 29.85 (1010) NE 6
1 PM (17) Aug 18 82.9 (28.3) 75.0 (23.9) 29.86 (1011) Variable 5
Noon (16) No Data
11 AM (15) Aug 18 82.9 (28.3) 75.0 (23.9) 29.87 (1011) NW 3
10 AM (14) Aug 18 82.0 (27.8) 75.9 (24.4) 29.85 (1010) Calm
9 AM (13) Aug 18 79.0 (26.1) 75.0 (23.9) 29.84 (1010) Variable 6
8 AM (12) Aug 18 75.9 (24.4) 73.9 (23.3) 29.84 (1010) Calm
7 AM (11) Aug 18 71 (22) 71 (22) 29.83 (1010) Calm mist
6 AM (10) Aug 18 72.0 (22.2) 72.0 (22.2) 29.82 (1009) Calm mist
5 AM (9) No Data
4 AM (8) Aug 18 73.9 (23.3) 73.0 (22.8) 29.8 (1009) Calm
3 AM (7) Aug 18 73.9 (23.3) 73.0 (22.8) 29.79 (1008) Calm
2 AM (6) Aug 18 75.0 (23.9) 73.9 (23.3) 29.81 (1009) Calm
1 AM (5) Aug 18 75.9 (24.4) 75.0 (23.9) 29.82 (1009) Calm
Midnight (4) No Data
11 PM (3) Aug 17 77.0 (25.0) 75.0 (23.9) 29.82 (1009) Calm thunder in the vicinity
10 PM (2) Aug 17 75.0 (23.9) 73.9 (23.3) 29.85 (1010) W 5 heavy rain with thunder; mist
9 PM (1) Aug 17 75.0 (23.9) 73.9 (23.3) 29.86 (1011) NW 12 heavy rain with thunder; fog
8 PM (0) Aug 17 82.9 (28.3) 75.9 (24.4) 29.77 (1008) SSW 6 thunder
7 PM (23) Aug 17 86.0 (30.0) 75.9 (24.4) 29.78 (1008) SW 3
6 PM (22) Aug 17 89.1 (31.7) 73.9 (23.3) 29.78 (1008) WSW 6
Oldest 5 PM (21) Aug 17 90.0 (32.2) 73.0 (22.8) 29.79 (1008) W 7
Time
EDT (UTC)
Temperature
F(C)
Dew Point
F(C)
Pressure
Inches(hPa)
Wind
(MPH)
Weather

The information presented here is taken from products produced by the U.S. National Weather Service and other national and international agencies




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