5-day weather forecast Fairfax Oct 3, 2026
18°Weather forecast Fairfax tomorrow Oct 3, 2026: light rain shower, temperature from 12 °C to 18 °C.
Precipitation probability 87%. Wind up to 4.61 m/s (gusts 10.03 m/s). Air humidity 61–94%, atmospheric pressure 764–769 mm Hg, UV index up to 0.8.
5 days at a glance — tap a day to open it
Sunrise 07:07
Sunset 18:49
Sunset 18:49
Last Quarter45% illuminated
Moonrise 23:42 · Moonset 14:31
Moonrise 23:42 · Moonset 14:31
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 18 °C | 27% | 98% | 86% | 764 mm Hg | N 5° 3.89 (8.92) m/s | 0 |
| 01:00 | Overcast | 17 °C | 23% | 100% | 79% | 764 mm Hg | N 10° 4 (9.11) m/s | 0 |
| 02:00 | Overcast | 17 °C | 16% | 100% | 66% | 765 mm Hg | N 5° 4.31 (9.75) m/s | 0 |
| 03:00 | Overcast | 17 °C | 15% | 100% | 61% | 765 mm Hg | N 7° 3.89 (9.53) m/s | 0 |
| 04:00 | Overcast | 16 °C | 15% | 100% | 61% | 766 mm Hg | N 1° 4.11 (9.83) m/s | 0 |
| 05:00 |  Patchy rain possible | 16 °C | 16% (0.01 mm/hr) | 100% | 62% | 766 mm Hg | N 6° 4.61 (10.03) m/s | 0 |
| 06:00 |  Light rain shower | 14 °C | 60% (0.94 mm/hr) | 100% | 72% | 767 mm Hg | N 6° 4.11 (8.53) m/s | 0 |
| 07:00 | Light rain shower | 13 °C | 44% (0.19 mm/hr) | 100% | 89% | 767 mm Hg | N 9° 3 (7.72) m/s | 0 |
| 08:00 | Light rain shower | 13 °C | 76% (1.29 mm/hr) | 100% | 92% | 767 mm Hg | NNE 19° 2.31 (7.72) m/s | 0 |
| 09:00 |  Patchy rain possible | 13 °C | 38% (0.07 mm/hr) | 100% | 92% | 768 mm Hg | N 2° 2.31 (7.03) m/s | 0.1 |
| 10:00 | Light rain shower | 14 °C | 56% (0.4 mm/hr) | 100% | 89% | 768 mm Hg | N 5° 2.5 (6.5) m/s | 0.2 |
| 11:00 | Light rain shower | 13 °C | 76% (1.25 mm/hr) | 100% | 91% | 769 mm Hg | N 356° 2 (5.42) m/s | 0.5 |
| 12:00 |  Moderate rain | 13 °C | 87% (3.65 mm/hr) | 100% | 92% | 769 mm Hg | N 350° 1.81 (4.42) m/s | 0.5 |
| 13:00 | Light rain shower | 12 °C | 78% (1.4 mm/hr) | 100% | 94% | 768 mm Hg | N 358° 1.5 (4) m/s | 0.7 |
| 14:00 | Light rain shower | 12 °C | 79% (1.58 mm/hr) | 100% | 93% | 768 mm Hg | NW 318° 1.31 (2.47) m/s | 0.8 |
| 15:00 | Light rain shower | 12 °C | 67% (0.63 mm/hr) | 100% | 93% | 768 mm Hg | NNW 329° 1.39 (2.72) m/s | 0.6 |
| 16:00 | Light rain shower | 12 °C | 70% (0.79 mm/hr) | 100% | 92% | 768 mm Hg | NNW 337° 1.39 (2.42) m/s | 0.7 |
| 17:00 | Patchy rain possible | 12 °C | 34% (0.03 mm/hr) | 100% | 91% | 768 mm Hg | NNW 336° 0.39 (1.22) m/s | 0.3 |
| 18:00 | Light rain shower | 12 °C | 45% (0.16 mm/hr) | 100% | 92% | 768 mm Hg | NW 313° 0.39 (1.11) m/s | 0.2 |
| 19:00 | Light rain shower | 12 °C | 66% (0.58 mm/hr) | 100% | 93% | 768 mm Hg | SW 233° 0.31 (3.31) m/s | 0 |
| 20:00 | Light rain shower | 12 °C | 53% (0.3 mm/hr) | 100% | 93% | 768 mm Hg | WSW 257° 0.61 (4.61) m/s | 0 |
| 21:00 | Patchy rain possible | 12 °C | 34% (0.02 mm/hr) | 100% | 94% | 768 mm Hg | SSW 209° 0.61 (0.61) m/s | 0 |
| 22:00 | Overcast | 12 °C | 32% | 100% | 93% | 769 mm Hg | SSW 212° 0.89 (1) m/s | 0 |
| 23:00 | Overcast | 13 °C | 31% | 100% | 92% | 768 mm Hg | ESE 116° 0.31 (0.83) 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.