5-day weather forecast Niagara Falls 17-08-2026
Weather forecast Niagara Falls today 17.08.2026: overcast, temperature from 8 °C to 26 °C.
Precipitation probability 33%. Wind up to 8.69 m/s (gusts 11.42 m/s). Air humidity 56–95%, atmospheric pressure 767–771 mm Hg, UV index up to 5.9.
5 days at a glance — tap a day to open it
Sunrise 06:24
Sunset 20:16
Sunset 20:16
Waxing Crescent27% illuminated
Moonrise 12:10 · Moonset 22:22
Moonrise 12:10 · Moonset 22:22
Chart
Table
Mon, Aug 17, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 23 °C | 31% | 99% | 93% | 771 mm Hg | SSW 205° 3.11 (8.11) m/s | 0 |
| 01:00 |  Mist | 23 °C | 16% | 15% | 95% | 771 mm Hg | SW 215° 2.81 (6.81) m/s | 0 |
| 02:00 | Mist | 22 °C | 15% | 5% | 94% | 771 mm Hg | SW 233° 3.31 (7.31) m/s | 0 |
| 03:00 | Mist | 22 °C | 32% | 100% | 94% | 770 mm Hg | WSW 244° 2 (7) m/s | 0 |
| 04:00 | Mist | 22 °C | 33% | 100% | 95% | 770 mm Hg | W 269° 2.5 (5.5) m/s | 0 |
| 05:00 |  Partly cloudy | 21 °C | 19% | 42% | 93% | 770 mm Hg | W 270° 2.61 (2.72) m/s | 0 |
| 06:00 | Overcast | 21 °C | 31% | 100% | 92% | 770 mm Hg | W 270° 3.11 (3.14) m/s | 0 |
| 07:00 |  Overcast | 20 °C | 30% | 99% | 91% | 770 mm Hg | W 276° 3.69 (3.83) m/s | 0.1 |
| 08:00 | Overcast | 21 °C | 28% | 100% | 87% | 770 mm Hg | WNW 285° 3.61 (3.75) m/s | 0.4 |
| 09:00 |  Sunny | 22 °C | 11% | 18% | 82% | 770 mm Hg | WNW 291° 3.5 (3.83) m/s | 1 |
| 10:00 |  Partly cloudy | 23 °C | 14% | 46% | 80% | 770 mm Hg | WNW 295° 3.81 (4.14) m/s | 2.1 |
| 11:00 | Partly cloudy | 24 °C | 11% | 39% | 75% | 770 mm Hg | NW 307° 4.5 (4.81) m/s | 3.3 |
| 12:00 |  Cloudy | 23 °C | 13% | 67% | 72% | 770 mm Hg | NW 314° 5.19 (5.5) m/s | 4.8 |
| 13:00 | Partly cloudy | 24 °C | 7% | 38% | 66% | 770 mm Hg | NW 308° 6.5 (7) m/s | 5.9 |
| 14:00 | Partly cloudy | 25 °C | 6% | 34% | 61% | 769 mm Hg | WNW 301° 7.39 (8.14) m/s | 4.9 |
| 15:00 | Partly cloudy | 26 °C | 5% | 32% | 56% | 768 mm Hg | NW 309° 7.11 (7.83) m/s | 3.9 |
| 16:00 | Partly cloudy | 8 °C | 12% | 52% | 74% | 768 mm Hg | NW 304° 7.81 (8.72) m/s | 3.4 |
| 17:00 | Cloudy | 8 °C | 19% | 86% | 75% | 768 mm Hg | WNW 299° 8.11 (9.11) m/s | 2 |
| 18:00 | Cloudy | 9 °C | 18% | 78% | 77% | 768 mm Hg | NW 305° 7.19 (8.22) m/s | 0.8 |
| 19:00 | Cloudy | 9 °C | 17% | 72% | 77% | 768 mm Hg | WNW 289° 8.61 (10) m/s | 0.2 |
| 20:00 | Overcast | 9 °C | 22% | 94% | 78% | 768 mm Hg | WNW 296° 8.31 (9.89) m/s | 0 |
| 21:00 | Overcast | 9 °C | 24% | 100% | 80% | 768 mm Hg | NW 305° 8.5 (10.53) m/s | 0 |
| 22:00 | Overcast | 9 °C | 23% | 88% | 82% | 767 mm Hg | NW 305° 8.31 (11.14) m/s | 0 |
| 23:00 |  Cloudy | 9 °C | 22% | 79% | 84% | 767 mm Hg | NW 313° 8.69 (11.42) m/s | 0 |
Mon, Aug 17, 2026
Frequently asked questions about the 5-day weather in Niagara Falls
What will the weather be like in Niagara Falls over the next 5 days?
Over the next 5 days in Niagara Falls the temperature is expected to range from about 7 to 26 °C. See the detailed hourly forecast for each of the 5 days in the charts above.
On which of the next 5 days will it rain in Niagara Falls?
The chance of rain in Niagara Falls over the next 5 days reaches 83%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.
How accurate is the 5-day weather forecast for Niagara Falls?
A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.
Which of the next 5 days in Niagara Falls will be the warmest and which the coolest?
Over the next 5 days the temperature in Niagara Falls ranges from about 7 to 26 °C. Compare the warmest and coolest day on the temperature chart above.
Will it be windy in Niagara Falls over the next 5 days?
Over the next 5 days the wind in Niagara Falls picks up to 13 m/s. The windiest days are easy to spot on the wind chart above.
Which day of the week in Niagara Falls is best for a walk or a trip?
For a walk or a trip, pick the days with the lowest chance of rain (up to 83%) and light wind — easy to compare on the 5-day charts above.
How can I best use the 5-day forecast for Niagara Falls?
The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.
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.