5-day weather forecast Fairfax Nov 15, 2026
10°Weather forecast Fairfax Sunday Nov 15, 2026: cloudy, temperature from 6 °C to 10 °C.
Precipitation probability 14%. Wind up to 5.81 m/s (gusts 11.53 m/s). Air humidity 49–75%, atmospheric pressure 764–771 mm Hg, UV index up to 3.
Weather Alerts
Small Craft Advisory issued November 12 at 5:30PM EST until November 13 at 6:00PM EST by NWS Baltimore MD/Washington DC
Small Craft Advisory
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt
expected.
* WHERE...Tidal Potomac River from Key Bridge to Smith Point VA,
and Chesapeake Bay and adjoining estuaries north of Smith
Point VA.
* WHEN...Until 6 PM EST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
5 days at a glance — tap a day to open it
Sunrise 06:51
Sunset 16:55
Sunset 16:55
First Quarter42% illuminated
Moonrise 12:23 · Moonset 22:33
Moonrise 12:23 · Moonset 22:33
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 6 °C | 8% | 29% | 70% | 764 mm Hg | WNW 294° 4.11 (9.33) m/s | 0 |
| 01:00 | Partly cloudy | 6 °C | 8% | 29% | 69% | 764 mm Hg | WNW 297° 4.19 (9.22) m/s | 0 |
| 02:00 | Partly cloudy | 6 °C | 9% | 38% | 68% | 765 mm Hg | WNW 297° 4.19 (8.92) m/s | 0 |
| 03:00 | Partly cloudy | 6 °C | 9% | 48% | 68% | 765 mm Hg | WNW 297° 4.19 (8.86) m/s | 0 |
| 04:00 | Partly cloudy | 6 °C | 11% | 61% | 68% | 766 mm Hg | WNW 299° 4.19 (8.72) m/s | 0 |
| 05:00 |  Cloudy | 6 °C | 11% | 63% | 68% | 766 mm Hg | WNW 300° 4.19 (8.64) m/s | 0 |
| 06:00 | Partly cloudy | 6 °C | 11% | 62% | 68% | 767 mm Hg | WNW 303° 4.19 (8.5) m/s | 0 |
| 07:00 |  Partly cloudy | 6 °C | 11% | 61% | 68% | 767 mm Hg | WNW 302° 4.11 (8.39) m/s | 0 |
| 08:00 | Cloudy | 7 °C | 11% | 65% | 66% | 767 mm Hg | WNW 303° 4.31 (9.08) m/s | 2 |
| 09:00 | Cloudy | 8 °C | 11% | 71% | 62% | 768 mm Hg | NW 307° 4.61 (9.78) m/s | 2 |
| 10:00 | Cloudy | 9 °C | 11% | 75% | 60% | 768 mm Hg | NW 311° 4.89 (10.28) m/s | 2 |
| 11:00 | Cloudy | 9 °C | 9% | 71% | 56% | 768 mm Hg | NW 313° 5.11 (10.67) m/s | 2 |
| 12:00 |  Overcast | 10 °C | 11% | 91% | 52% | 768 mm Hg | NW 316° 5.61 (11.03) m/s | 2 |
| 13:00 | Overcast | 10 °C | 12% | 100% | 49% | 768 mm Hg | NW 320° 5.81 (11.31) m/s | 3 |
| 14:00 | Overcast | 10 °C | 12% | 99% | 49% | 768 mm Hg | NW 320° 5.5 (11.42) m/s | 3 |
| 15:00 | Overcast | 10 °C | 12% | 99% | 50% | 768 mm Hg | NW 319° 5.19 (11.47) m/s | 2 |
| 16:00 | Overcast | 10 °C | 12% | 98% | 52% | 769 mm Hg | NW 318° 4.89 (11.53) m/s | 2 |
| 17:00 |  Overcast | 9 °C | 12% | 93% | 55% | 769 mm Hg | NW 315° 4.69 (10.56) m/s | 0 |
| 18:00 | Overcast | 9 °C | 12% | 89% | 58% | 770 mm Hg | NW 316° 4.31 (9.75) m/s | 0 |
| 19:00 | Cloudy | 8 °C | 12% | 84% | 60% | 770 mm Hg | NW 317° 4.11 (8.81) m/s | 0 |
| 20:00 | Cloudy | 8 °C | 12% | 71% | 67% | 770 mm Hg | NW 310° 3.89 (9.5) m/s | 0 |
| 21:00 | Cloudy | 7 °C | 13% | 67% | 70% | 770 mm Hg | NW 311° 3.61 (9.14) m/s | 0 |
| 22:00 | Cloudy | 7 °C | 14% | 64% | 73% | 771 mm Hg | NW 313° 3.39 (8.97) m/s | 0 |
| 23:00 | Partly cloudy | 6 °C | 14% | 60% | 75% | 771 mm Hg | NW 315° 3.11 (8.69) m/s | 0 |
Fairfax on the map
Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.