5-day weather forecast Niagara Falls Sep 9, 2026
25°Weather forecast Niagara Falls Wednesday Sep 9, 2026: overcast, temperature from 20 °C to 25 °C.
Precipitation probability 40%. Wind up to 7.69 m/s (gusts 17.53 m/s). Air humidity 50–96%, atmospheric pressure 757–765 mm Hg, UV index up to 5.2.
5 days at a glance — tap a day to open it
Sunrise 06:49
Sunset 19:37
Sunset 19:37
New Moon2% illuminated
Moonrise 04:30 · Moonset 18:48
Moonrise 04:30 · Moonset 18:48
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 22 °C | 15% | 100% | 61% | 765 mm Hg | SSE 166° 2.5 (7.33) m/s | 0 |
| 01:00 | Overcast | 22 °C | 15% | 100% | 62% | 765 mm Hg | S 171° 2 (5.5) m/s | 0 |
| 02:00 | Overcast | 21 °C | 15% | 100% | 63% | 764 mm Hg | S 184° 2.39 (6.72) m/s | 0 |
| 03:00 | Overcast | 21 °C | 16% | 100% | 65% | 764 mm Hg | S 178° 2.89 (8.31) m/s | 0 |
| 04:00 | Overcast | 22 °C | 17% | 100% | 68% | 764 mm Hg | SSW 194° 3.19 (11.5) m/s | 0 |
| 05:00 |  Cloudy | 22 °C | 13% | 64% | 72% | 764 mm Hg | SSW 199° 3.5 (12.31) m/s | 0 |
| 06:00 |  Clear | 21 °C | 8% | 13% | 75% | 764 mm Hg | SSW 200° 3.5 (11.89) m/s | 0 |
| 07:00 | Overcast | 21 °C | 23% | 99% | 79% | 763 mm Hg | SSW 192° 3.69 (10.83) m/s | 0 |
| 08:00 |  Partly cloudy | 22 °C | 11% | 47% | 74% | 763 mm Hg | SSW 196° 4.69 (11.92) m/s | 0 |
| 09:00 | Overcast | 23 °C | 17% | 96% | 70% | 763 mm Hg | SSW 211° 5 (12.72) m/s | 0.3 |
| 10:00 | Overcast | 25 °C | 15% | 96% | 66% | 762 mm Hg | SW 224° 6.61 (12.25) m/s | 0.6 |
| 11:00 | Overcast | 25 °C | 15% | 98% | 64% | 761 mm Hg | SW 225° 7.19 (11.5) m/s | 1.2 |
| 12:00 | Overcast | 25 °C | 16% | 100% | 65% | 761 mm Hg | SW 230° 7.11 (11.19) m/s | 5.1 |
| 13:00 | Overcast | 25 °C | 16% | 100% | 67% | 761 mm Hg | SW 235° 7.11 (12.22) m/s | 5.2 |
| 14:00 |  Patchy rain possible | 24 °C | 20% (0.01 mm/hr) | 100% | 72% | 760 mm Hg | SW 234° 7.69 (14.42) m/s | 4.2 |
| 15:00 | Patchy rain possible | 23 °C | 25% (0.01 mm/hr) | 100% | 80% | 759 mm Hg | SW 230° 6.69 (14.33) m/s | 3.8 |
| 16:00 | Patchy rain possible | 23 °C | 32% (0.12 mm/hr) | 98% | 78% | 758 mm Hg | SW 229° 7.11 (15.03) m/s | 2.9 |
| 17:00 | Patchy rain possible | 24 °C | 33% (0.12 mm/hr) | 100% | 79% | 758 mm Hg | SW 233° 7.19 (15.72) m/s | 0.2 |
| 18:00 | Patchy rain possible | 24 °C | 35% (0.15 mm/hr) | 95% | 81% | 758 mm Hg | WSW 249° 7.19 (17.53) m/s | 0.1 |
| 19:00 | Overcast | 24 °C | 21% | 100% | 76% | 757 mm Hg | WSW 245° 6.61 (15.53) m/s | 0 |
| 20:00 |  Patchy rain possible | 24 °C | 30% (0.1 mm/hr) | 88% | 80% | 757 mm Hg | WSW 239° 6.39 (14.42) m/s | 0 |
| 21:00 | Patchy rain possible | 21 °C | 40% (0.08 mm/hr) | 100% | 95% | 760 mm Hg | WSW 237° 5.39 (13.5) m/s | 0 |
| 22:00 | Patchy rain possible | 20 °C | 30% (0.01 mm/hr) | 84% | 96% | 759 mm Hg | SW 229° 4.31 (11.03) m/s | 0 |
| 23:00 | Patchy rain possible | 22 °C | 10% (0.01 mm/hr) | 82% | 50% | 758 mm Hg | NW 306° 5.61 (12.25) 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.