Dulles, VA Hourly Weather
Hour-by-Hour Forecast
Today's Weather Breakdown
Currently 75°F and partially cloudy. Today in Dulles, VA: high of 86°F, low of 55°F with partially cloudy. Dry conditions expected throughout the day.
| Currently | 75°F · Partially cloudy |
| Today's High | 86°F |
| Today's Low | 55°F |
| Rain Chance | 17% |
Hour-by-Hour Temperature & Rain Probability
In Dulles, VA today, temperatures start near 55°F in the early morning and climb toward a high of 86°F in the afternoon. No significant rain is expected — good conditions for outdoor plans throughout the day.
Reading the Hourly Weather Forecast
The hour-by-hour table shows temperature, feels-like temperature, precipitation probability, wind speed, humidity, and UV index for each hour of the day in Dulles. Rain probability above 40% for a given hour indicates a meaningful chance of precipitation during that window. UV index above 6 means sun protection is recommended for extended time outdoors.
Hourly forecasts are updated from live weather station data. For the full multi-day picture, see the Dulles 10-day forecast or check tomorrow's rain forecast for precipitation timing.
Hour-by-Hour Forecast for Dulles, VA
| Time | Temp | Feels Like | Rain | Conditions |
|---|---|---|---|---|
| 12:00 AM | 67°F | 67°F | 0% | Clear |
| 1:00 AM | 66°F | 66°F | 0% | Clear |
| 2:00 AM | 63°F | 63°F | 0% | Clear |
| 3:00 AM | 62°F | 62°F | 0% | Clear |
| 4:00 AM | 58°F | 58°F | 0% | Clear |
| 5:00 AM | 59°F | 59°F | 0% | Partially cloudy |
| 6:00 AM | 57°F | 57°F | 0% | Partially cloudy |
| 7:00 AM | 55°F | 55°F | 0% | Partially cloudy |
| 8:00 AM | 64°F | 64°F | 0% | Partially cloudy |
| 9:00 AM | 70°F | 70°F | 0% | Partially cloudy |
| 10:00 AM | 74°F | 74°F | 0% | Partially cloudy |
| 11:00 AM | 80°F | 80°F | 0% | Partially cloudy |
| 12:00 PM | 82°F | 81°F | 0% | Partially cloudy |
| 1:00 PM | 84°F | 83°F | 0% | Partially cloudy |
| 2:00 PM | 85°F | 83°F | 0% | Partially cloudy |
| 3:00 PM | 86°F | 84°F | 0% | Partially cloudy |
| 4:00 PM | 86°F | 85°F | 0% | Partially cloudy |
| 5:00 PM | 86°F | 85°F | 0% | Partially cloudy |
| 6:00 PM | 84°F | 84°F | 0% | Partially cloudy |
| 7:00 PM | 85°F | 84°F | 17% | Partially cloudy |
| 8:00 PM | 80°F | 80°F | 16% | Partially cloudy |
| 9:00 PM | 77°F | 77°F | 7% | Partially cloudy |
| 10:00 PM | 75°F | 75°F | 6% | Partially cloudy |
| 11:00 PM | 74°F | 74°F | 4% | Partially cloudy |
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