5-day weather forecast Fairfax 01-08-2026
Weather forecast Fairfax Saturday, August 1 01.08.2026: overcast, temperature from 18 °C to 28 °C.
Precipitation probability 38%. Wind up to 10.11 m/s (gusts 14 m/s). Air humidity 46–86%, atmospheric pressure 757–760 mm Hg, UV index up to 7.8.
5 days at a glance — tap a day to open it
Sunrise 06:19
Sunset 20:36
Sunset 20:36
Waning Gibbous83% illuminated
Moonrise 22:10 · Moonset 09:27
Moonrise 22:10 · Moonset 09:27
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 19 °C | 26% | 100% | 85% | 758 mm Hg | NNW 329° 9.89 (13.06) m/s | 0 |
| 01:00 |  Patchy rain possible | 18 °C | 38% (0.12 mm/hr) | 100% | 86% | 757 mm Hg | NNW 334° 10.11 (14) m/s | 0 |
| 02:00 | Overcast | 18 °C | 26% | 100% | 84% | 758 mm Hg | NNW 338° 9.81 (13.58) m/s | 0 |
| 03:00 | Overcast | 18 °C | 25% | 100% | 82% | 758 mm Hg | NNW 333° 9.69 (13.28) m/s | 0 |
| 04:00 | Overcast | 18 °C | 23% | 100% | 80% | 758 mm Hg | NNW 331° 9.5 (13.28) m/s | 0 |
| 05:00 | Overcast | 18 °C | 22% | 100% | 77% | 758 mm Hg | NNW 330° 9.31 (12.81) m/s | 0 |
| 06:00 | Overcast | 18 °C | 21% | 100% | 76% | 758 mm Hg | NNW 334° 9.5 (12.97) m/s | 0 |
| 07:00 |  Overcast | 18 °C | 22% | 100% | 76% | 758 mm Hg | NNW 338° 9.69 (13.19) m/s | 0 |
| 08:00 | Overcast | 18 °C | 21% | 91% | 79% | 759 mm Hg | NNW 342° 9.39 (12.61) m/s | 0.3 |
| 09:00 |  Cloudy | 19 °C | 17% | 75% | 78% | 760 mm Hg | NNW 346° 9.31 (11.56) m/s | 1.1 |
| 10:00 |  Partly cloudy | 21 °C | 11% | 57% | 72% | 760 mm Hg | N 350° 9.31 (10.69) m/s | 2.9 |
| 11:00 | Partly cloudy | 23 °C | 6% | 33% | 63% | 760 mm Hg | N 356° 9.81 (11.28) m/s | 5.4 |
| 12:00 | Cloudy | 25 °C | 9% | 68% | 57% | 760 mm Hg | N 1° 9.81 (11.28) m/s | 7 |
| 13:00 | Overcast | 26 °C | 12% | 97% | 52% | 760 mm Hg | N 4° 9.69 (11.17) m/s | 7.8 |
| 14:00 | Overcast | 27 °C | 12% | 98% | 52% | 759 mm Hg | NNE 12° 8.81 (10.11) m/s | 6.9 |
| 15:00 | Partly cloudy | 27 °C | 4% | 44% | 50% | 759 mm Hg | NNE 16° 7.81 (9.17) m/s | 5.2 |
| 16:00 | Partly cloudy | 28 °C | 4% | 45% | 46% | 759 mm Hg | NNE 13° 7.81 (8.97) m/s | 5.1 |
| 17:00 | Partly cloudy | 28 °C | 3% | 30% | 48% | 759 mm Hg | NNE 13° 7.11 (8.72) m/s | 3.2 |
| 18:00 | Partly cloudy | 28 °C | 4% | 27% | 52% | 758 mm Hg | NNE 16° 5.89 (8.03) m/s | 1.5 |
| 19:00 |  Sunny | 26 °C | 4% | 22% | 59% | 759 mm Hg | NNE 23° 5 (7.97) m/s | 0.5 |
| 20:00 | Sunny | 24 °C | 6% | 14% | 67% | 759 mm Hg | NE 35° 4 (7.94) m/s | 0 |
| 21:00 |  Clear | 21 °C | 6% | 5% | 71% | 760 mm Hg | NE 51° 3.39 (7.14) m/s | 0 |
| 22:00 | Clear | 20 °C | 7% | 4% | 74% | 760 mm Hg | NE 56° 2.69 (5.67) m/s | 0 |
| 23:00 | Clear | 19 °C | 8% | 5% | 77% | 760 mm Hg | NE 42° 2.19 (4.61) m/s | 0 |
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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.