5-day weather forecast Niagara Falls 20-08-2026
Weather forecast Niagara Falls Thursday, August 20 20.08.2026: patchy rain possible, temperature from 7 °C to 10 °C.
Precipitation probability 36%. Wind up to 11 m/s (gusts 12.39 m/s). Air humidity 60–88%, atmospheric pressure 764–776 mm Hg, UV index up to 6.8.
5 days at a glance — tap a day to open it
Sunrise 06:27
Sunset 20:11
Sunset 20:11
First Quarter58% illuminated
Moonrise 15:40 · Moonset Does not set today
Moonrise 15:40 · Moonset Does not set today
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 10 °C | 27% (0.03 mm/hr) | 81% | 88% | 764 mm Hg | W 278° 8.61 (12.39) m/s | 0 |
| 01:00 | Patchy rain possible | 10 °C | 27% (0.02 mm/hr) | 90% | 87% | 764 mm Hg | W 276° 8.19 (12) m/s | 0 |
| 02:00 | Patchy rain possible | 10 °C | 30% (0.04 mm/hr) | 100% | 84% | 764 mm Hg | W 264° 7.81 (11) m/s | 0 |
| 03:00 | Patchy rain possible | 10 °C | 35% (0.11 mm/hr) | 91% | 86% | 765 mm Hg | WSW 244° 7.81 (10.19) m/s | 0 |
| 04:00 | Patchy rain possible | 9 °C | 36% (0.07 mm/hr) | 100% | 88% | 766 mm Hg | SSW 201° 7.19 (8.22) m/s | 0 |
| 05:00 | Patchy rain possible | 9 °C | 31% (0.05 mm/hr) | 100% | 84% | 766 mm Hg | S 178° 8.5 (9.33) m/s | 0 |
| 06:00 | Patchy rain possible | 8 °C | 30% (0.05 mm/hr) | 100% | 82% | 767 mm Hg | SSE 166° 9.5 (10.81) m/s | 0 |
| 07:00 |  Cloudy | 8 °C | 17% | 75% | 76% | 768 mm Hg | SSE 166° 9.11 (10.5) m/s | 0.1 |
| 08:00 |  Patchy rain possible | 8 °C | 18% (0.01 mm/hr) | 81% | 75% | 769 mm Hg | SSE 164° 9.19 (10.11) m/s | 0.5 |
| 09:00 | Patchy rain possible | 8 °C | 15% (0.01 mm/hr) | 73% | 72% | 770 mm Hg | SSE 162° 8.81 (9.42) m/s | 1.5 |
| 10:00 | Patchy rain possible | 8 °C | 21% (0.03 mm/hr) | 83% | 75% | 770 mm Hg | SSE 157° 10.5 (10.53) m/s | 3 |
| 11:00 | Patchy rain possible | 8 °C | 18% (0.03 mm/hr) | 89% | 68% | 771 mm Hg | SSE 156° 10.81 (10.89) m/s | 4.7 |
| 12:00 | Patchy rain possible | 8 °C | 13% (0.02 mm/hr) | 73% | 64% | 772 mm Hg | SSE 159° 10.89 (11.03) m/s | 6 |
| 13:00 |  Partly cloudy | 8 °C | 9% | 61% | 62% | 773 mm Hg | SSE 159° 10.39 (10.61) m/s | 6.8 |
| 14:00 | Cloudy | 8 °C | 12% | 81% | 62% | 773 mm Hg | SSE 158° 10.5 (10.83) m/s | 6.6 |
| 15:00 |  Overcast | 8 °C | 16% | 100% | 62% | 773 mm Hg | SSE 160° 10.61 (11.11) m/s | 5.5 |
| 16:00 | Overcast | 8 °C | 16% | 100% | 63% | 773 mm Hg | SSE 159° 10.81 (11.42) m/s | 3.9 |
| 17:00 | Overcast | 8 °C | 14% | 90% | 63% | 774 mm Hg | SSE 160° 10.31 (11) m/s | 2.2 |
| 18:00 |  Sunny | 8 °C | 5% | 9% | 64% | 774 mm Hg | SSE 158° 11 (11.72) m/s | 1 |
| 19:00 | Overcast | 8 °C | 15% | 92% | 65% | 774 mm Hg | SSE 154° 11 (11.81) m/s | 0.3 |
| 20:00 | Overcast | 8 °C | 16% | 94% | 66% | 775 mm Hg | SSE 159° 10.89 (11.5) m/s | 0 |
| 21:00 |  Clear | 7 °C | 4% | 14% | 60% | 774 mm Hg | SSE 161° 10.11 (10.72) m/s | 0 |
| 22:00 | Patchy rain possible | 7 °C | 13% (0.01 mm/hr) | 80% | 63% | 775 mm Hg | SSE 162° 10.19 (10.61) m/s | 0 |
| 23:00 |  Overcast | 8 °C | 18% | 100% | 67% | 776 mm Hg | SSE 158° 10.39 (10.92) m/s | 0 |
Niagara Falls on the map
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.