5-day weather forecast Fairfax 21-08-2026
Weather forecast Fairfax tomorrow 21.08.2026: sunny, temperature from 20 °C to 34 °C.
Precipitation probability 29%. Wind up to 4.69 m/s (gusts 10.19 m/s). Air humidity 35–86%, atmospheric pressure 760–764 mm Hg, UV index up to 7.9.
5 days at a glance — tap a day to open it
Sunrise 06:38
Sunset 20:10
Sunset 20:10
First Quarter69% illuminated
Moonrise 16:35 · Moonset 00:25
Moonrise 16:35 · Moonset 00:25
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 21 °C | 23% | 100% | 78% | 763 mm Hg | NE 39° 2.81 (3.33) m/s | 0 |
| 01:00 |  Clear | 22 °C | 7% | 6% | 74% | 762 mm Hg | S 182° 3.11 (3.72) m/s | 0 |
| 02:00 | Clear | 22 °C | 6% | 0% | 72% | 761 mm Hg | SSW 200° 4.19 (10.03) m/s | 0 |
| 03:00 | Clear | 22 °C | 7% | 0% | 74% | 761 mm Hg | SSE 157° 3 (4.72) m/s | 0 |
| 04:00 | Clear | 21 °C | 7% | 0% | 76% | 762 mm Hg | S 172° 3.11 (4.31) m/s | 0 |
| 05:00 | Clear | 21 °C | 8% | 0% | 76% | 762 mm Hg | S 188° 3.19 (6.11) m/s | 0 |
| 06:00 | Clear | 21 °C | 10% | 0% | 82% | 762 mm Hg | SSW 205° 2.19 (2.33) m/s | 0 |
| 07:00 |  Patchy rain possible | 20 °C | 24% (0.01 mm/hr) | 81% | 86% | 763 mm Hg | SW 234° 2.39 (2.5) m/s | 0 |
| 08:00 |  Sunny | 22 °C | 10% | 0% | 84% | 763 mm Hg | SSE 147° 0.19 (0.33) m/s | 0.5 |
| 09:00 | Sunny | 21 °C | 8% | 1% | 76% | 763 mm Hg | W 281° 1.5 (1.61) m/s | 1.5 |
| 10:00 | Patchy rain possible | 23 °C | 29% (0.26 mm/hr) | 76% | 71% | 764 mm Hg | WSW 241° 2.11 (2.33) m/s | 3.1 |
| 11:00 | Patchy rain possible | 26 °C | 19% (0.11 mm/hr) | 85% | 58% | 763 mm Hg | NW 312° 1.11 (1.5) m/s | 5.1 |
| 12:00 | Patchy rain possible | 28 °C | 17% (0.09 mm/hr) | 86% | 50% | 763 mm Hg | WNW 285° 2.19 (3.22) m/s | 6.9 |
| 13:00 | Sunny | 30 °C | 1% | 0% | 44% | 762 mm Hg | W 281° 3 (4.42) m/s | 7.9 |
| 14:00 | Sunny | 32 °C | 1% | 0% | 39% | 761 mm Hg | W 272° 3.11 (4.92) m/s | 7.7 |
| 15:00 | Sunny | 34 °C | 1% | 0% | 36% | 761 mm Hg | W 279° 3.69 (5.19) m/s | 6.4 |
| 16:00 | Sunny | 34 °C | 1% | 14% | 36% | 760 mm Hg | WNW 292° 3.69 (5) m/s | 4.4 |
| 17:00 | Sunny | 34 °C | 1% | 14% | 35% | 760 mm Hg | NW 309° 3.5 (4.81) m/s | 1.6 |
| 18:00 | Sunny | 34 °C | 1% | 0% | 36% | 760 mm Hg | NNW 335° 4.31 (4.92) m/s | 1.1 |
| 19:00 | Sunny | 32 °C | 1% | 0% | 43% | 760 mm Hg | NNW 347° 4 (6.11) m/s | 0.3 |
| 20:00 | Patchy rain possible | 31 °C | 11% (0.02 mm/hr) | 86% | 53% | 760 mm Hg | N 3° 4.19 (8.11) m/s | 0 |
| 21:00 |  Patchy rain possible | 28 °C | 15% (0.02 mm/hr) | 87% | 66% | 761 mm Hg | NNE 16° 4.69 (10.19) m/s | 0 |
| 22:00 | Clear | 26 °C | 7% | 0% | 74% | 761 mm Hg | NNE 18° 3.61 (8.81) m/s | 0 |
| 23:00 | Clear | 24 °C | 8% | 0% | 77% | 761 mm Hg | NNE 16° 3.39 (5.72) 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.