KIAD · Washington Dulles International Airport — METAR & TAF

Current observation (METAR)

METAR KIAD 172352Z 33003KT 10SM FEW045 BKN075 BKN150 26/22 A2983 RMK AO2 RAE06 TSE43 SLP099 TS MOV E OCNL LTGIC DSNT SE P0000 60001 T02610222 10328 20250 50004

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Observed: 17 Aug 23:52 UTC · 19:52 EDT local (26 h 47 min ago)
Wind: From 330° (NNW) at 3 kt
Visibility: 10 statute miles or more
Weather: No significant weather
Clouds: Few (1–2 oktas) at 4,500 ft
Broken (5–7 oktas) at 7,500 ft
Broken (5–7 oktas) at 15,000 ft
Temperature: 26°C (79°F)
Dewpoint: 22°C (72°F)
Rel. humidity: 79%
Pressure: A2983 (29.83 inHg) · QNH 1010 hPa

Remarks

AO2 Automated station with precipitation discriminator SLP099 Sea Level Pressure: 1009.9 hPa LTGIC Lightning: In-Cloud P0000 Hourly Precipitation: 0.0 inches 60001 3/6-Hour Precipitation: 0.01 inches T02610222 Precise Temp: 26.1 °C, Dewpoint: 22.2 °C 10328 6-Hour Maximum Temperature: 32.8 °C 20250 6-Hour Minimum Temperature: 25.0 °C 50004 Pressure Tendency: Rising, then falling, 0.4 hPa change in 3 hours

Visual summary

Wind

Clouds

Temp / dewpoint

Forecast (TAF)

TAF KIAD 182321Z 1900/2006 32007KT P6SM FEW050 SCT080 FM190400 00000KT P6SM FEW050 FEW250 FM191400 32005KT P6SM SKC FM192200 27004KT P6SM SKC FM200200 00000KT P6SM FEW050 SCT120

Issued 182321Z · valid 1900 → 2006

Initial 1900 to 2006

From 320° (NW) at 7 kt. Visibility 6 statute miles. Few (1–2 oktas) at 5,000 ft; Scattered (3–4 oktas) at 8,000 ft
From From 190400Z

Calm. Visibility 6 statute miles. Few (1–2 oktas) at 5,000 ft; Few (1–2 oktas) at 25,000 ft
From From 191400Z

From 320° (NW) at 5 kt. Visibility 6 statute miles. Clear skies
From From 192200Z

From 270° (W) at 4 kt. Visibility 6 statute miles. Clear skies
From From 200200Z

Calm. Visibility 6 statute miles. Few (1–2 oktas) at 5,000 ft; Scattered (3–4 oktas) at 12,000 ft