Smiths Falls

Ontario, Canada

Current Weather

17°63°

Mostly Clear

Feels Like: 13°56°

Min: -1°30°

Max: 18°64°

The next few hours will be foggy, with today reaching 18°C and dropping to 8°C. The coming days will be partly cloudy throughout the day.

Hourly Forecast

18°64°17°62°15°59°12°54°10°51°10°50°10°50°10°50°10°51°9°49°10°50°8°47°9°49°10°50°10°49°9°49°10°49°2°36°2°35°1°34°2°35°4°40°5°42°7°44°
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
Today
Tomorrow

Want a closer look at the weather?

Premium adds minute-by-minute rain timing, yesterday comparisons, and more detail across Airpult.

Get Premium

Air Quality

31
Good

Air quality is satisfactory, and air pollution poses little or no risk.

GoodHazardous

Daylight Hours

07:41

Sunrise

17:54

Sunset

10 hours 12 minutes of sunlight today

Moon

17:25

Moonrise

06:56

Moonset

Daily Forecast

Today

-1°30°
18°64°

Monday

1°34°
10°50°

Tuesday

1°35°
7°44°

Wednesday

-1°31°
7°44°

Thursday

-3°27°
6°43°

Friday

-4°25°
5°41°

Saturday

-5°24°
5°41°

Sunday

-4°25°
6°43°

Sunday

-2°28°
9°48°

Monday

-2°28°
16°60°

UV Index

Wear sunscreen
3Moderate
LowExtreme

Humidity

51%Comfortable
LowHigh

Looking at the night sky?

See moon phases, eclipses, and seasons for this year.

View astronomy

Current stargazing conditions?

See sky darkness, moon phase, and the best viewing window for Smiths Falls.

View stargazing score

Weather in Smiths Falls today, October 25, 2026

Expect reduced visibility in Smiths Falls on October 25, 2026 where fog patches form. Allow more time for morning journeys if the air stays thick.Expect reduced visibility in Smiths Falls on October 25, 2026 where fog patches form. Allow more time for morning journeys if the air stays thick.

The temperature range runs from about -1°C up to 18°C. The air stays humid, with relative humidity between 50% and 72% and the peak around 20:00. Winds stay light, near 18 km/h by 16:00, so the day feels still more than breezy.The temperature range runs from about 30°F up to 64°F. The air stays humid, with relative humidity between 50% and 72% and the peak around 20:00. Winds stay light, near 11 mph by 16:00, so the day feels still more than breezy.

Through the afternoon cloud remains the main feature, with cover near 100% around 19:00. Bright spells should stay limited even as the day wears on. Horizontal visibility holds close to 16.1 km. The sun rises at 07:41 and sets at 17:54, for a total of 10 hours 12 minutes of sunlight today.Through the afternoon cloud remains the main feature, with cover near 100% around 19:00. Bright spells should stay limited even as the day wears on. Horizontal visibility holds close to 10 mi. The sun rises at 07:41 and sets at 17:54, for a total of 10 hours 12 minutes of sunlight today.

Overall, Smiths Falls on October 25, 2026 needs patience with visibility, especially early, even as temperatures reach about 18°C.Overall, Smiths Falls on October 25, 2026 needs patience with visibility, especially early, even as temperatures reach about 64°F.

Frequently asked questions about weather in Smiths Falls

How warm does it get in Smiths Falls?

The warmest month in Smiths Falls is July, with average high temperatures of 27°C. The average temperature during this period is around 22°C.The warmest month in Smiths Falls is July, with average high temperatures of 80°F. The average temperature during this period is around 71°F.

How cold does it get in Smiths Falls?

The coldest month in Smiths Falls is January, with average low temperatures of -11°C. The average temperature during this period is around -7°C.The coldest month in Smiths Falls is January, with average low temperatures of 13°F. The average temperature during this period is around 19°F.

What is the wettest time of year in Smiths Falls?

The wettest month in Smiths Falls is October, with an average of 110 mm of precipitation.The wettest month in Smiths Falls is October, with an average of 4.3 in of precipitation.

What is the driest time of year in Smiths Falls?

The driest month in Smiths Falls is September, with an average of 53 mm of precipitation.The driest month in Smiths Falls is September, with an average of 2.1 in of precipitation.

View full climate insights for Smiths Falls →