5-day weather forecast Fairfax Sep 16, 2026
27°Weather forecast Fairfax Wednesday Sep 16, 2026: sunny, temperature from 16 °C to 27 °C.
Precipitation probability 27%. Wind up to 2.81 m/s (gusts 8.03 m/s). Air humidity 44–88%, atmospheric pressure 768–770 mm Hg, UV index up to 7.
5 days at a glance — tap a day to open it
Sunrise 06:51
Sunset 19:16
Sunset 19:16
First Quarter32% illuminated
Moonrise 13:02 · Moonset 22:11
Moonrise 13:02 · Moonset 22:11
Chart
Table
Wed, Sep 16, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 17 °C | 14% | 48% | 79% | 770 mm Hg | SE 140° 2.31 (8.03) m/s | 0 |
| 01:00 |  Overcast | 17 °C | 27% | 100% | 86% | 770 mm Hg | SSE 154° 1.61 (3.61) m/s | 0 |
| 02:00 | Partly cloudy | 17 °C | 15% | 26% | 88% | 770 mm Hg | S 173° 1.31 (2.92) m/s | 0 |
| 03:00 | Partly cloudy | 17 °C | 20% | 59% | 88% | 770 mm Hg | SSW 192° 1 (2.11) m/s | 0 |
| 04:00 |  Cloudy | 17 °C | 22% | 76% | 86% | 770 mm Hg | S 181° 1.31 (2.42) m/s | 0 |
| 05:00 | Partly cloudy | 17 °C | 15% | 46% | 83% | 770 mm Hg | SSE 167° 1.19 (2.5) m/s | 0 |
| 06:00 | Partly cloudy | 16 °C | 18% | 55% | 86% | 770 mm Hg | S 190° 1.31 (2.03) m/s | 0 |
| 07:00 |  Partly cloudy | 16 °C | 17% | 52% | 86% | 770 mm Hg | S 179° 0.81 (1.11) m/s | 5 |
| 08:00 | Sunny | 17 °C | 11% | 17% | 80% | 770 mm Hg | S 180° 0.81 (1.56) m/s | 5 |
| 09:00 | Sunny | 19 °C | 6% | 6% | 71% | 770 mm Hg | S 179° 0.89 (1.53) m/s | 5 |
| 10:00 | Sunny | 21 °C | 4% | 5% | 63% | 770 mm Hg | SSE 151° 1.5 (2.14) m/s | 6 |
| 11:00 | Partly cloudy | 23 °C | 5% | 30% | 56% | 770 mm Hg | SSE 161° 1.81 (2.33) m/s | 6 |
| 12:00 | Sunny | 25 °C | 2% | 0% | 50% | 770 mm Hg | S 171° 1.5 (1.69) m/s | 6 |
| 13:00 | Sunny | 26 °C | 2% | 23% | 46% | 770 mm Hg | SSE 168° 1.89 (2) m/s | 7 |
| 14:00 | Sunny | 27 °C | 1% | 5% | 44% | 770 mm Hg | SSE 160° 1.5 (1.72) m/s | 7 |
| 15:00 | Sunny | 27 °C | 1% | 3% | 44% | 769 mm Hg | SSE 153° 1.89 (3.39) m/s | 7 |
| 16:00 | Sunny | 27 °C | 1% | 2% | 45% | 768 mm Hg | SE 146° 2.39 (5.11) m/s | 7 |
| 17:00 | Sunny | 27 °C | 1% | 0% | 45% | 768 mm Hg | SE 139° 2.81 (6.81) m/s | 7 |
| 18:00 | Sunny | 25 °C | 2% | 0% | 53% | 768 mm Hg | SE 138° 2.61 (6.61) m/s | 7 |
| 19:00 | Sunny | 24 °C | 3% | 0% | 61% | 769 mm Hg | SE 138° 2.5 (6.39) m/s | 6 |
| 20:00 |  Clear | 22 °C | 5% | 0% | 68% | 769 mm Hg | SE 137° 2.31 (6.22) m/s | 0 |
| 21:00 | Clear | 21 °C | 6% | 6% | 70% | 769 mm Hg | SE 142° 2.19 (5.69) m/s | 0 |
| 22:00 | Clear | 20 °C | 7% | 12% | 72% | 769 mm Hg | SSE 147° 2 (5.31) m/s | 0 |
| 23:00 | Clear | 20 °C | 8% | 18% | 74% | 770 mm Hg | SSE 153° 1.89 (4.81) m/s | 0 |
Wed, Sep 16, 2026
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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.