Chalk River

Renfrew County, Ontario, Canada

Current Weather

11°51°

Mostly Clear

Feels Like: 3°38°

Min: 2°35°

Max: 11°52°

The next few hours will be overcast, with today reaching 10°C and dropping to 2°C. The coming days will be partly cloudy throughout the day.

Hourly Forecast

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Air Quality

53
Moderate

Air quality is acceptable. However, there may be a risk for some people.

GoodHazardous

Daylight Hours

07:50

Sunrise

17:56

Sunset

10 hours 5 minutes of sunlight today

Moon

17:55

Moonrise

08:25

Moonset

Daily Forecast

Today

2°35°
11°52°

Tuesday

5°41°
7°44°

Wednesday

4°39°
7°44°

Thursday

2°36°
6°43°

Friday

1°34°
5°41°

Saturday

0°32°
4°40°

Sunday

0°32°
5°42°

Sunday

1°34°
7°44°

Monday

3°38°
18°64°

Tuesday

5°41°
16°60°

UV Index

No protection needed
0Low
LowExtreme

Humidity

95%Very Humid
LowHigh

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Weather in Chalk River today, October 26, 2026

Cloud cover dominates in Chalk River on October 26, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Expect a grey start, with morning cloud around 100% by 07:00. Outdoor plans early on should not rely on bright skies.Cloud cover dominates in Chalk River on October 26, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Expect a grey start, with morning cloud around 100% by 07:00. Outdoor plans early on should not rely on bright skies.

Expect highs of 11°C and cooler readings close to 2°C. Moisture in the air spans 38%-96%, with the highest values around 06:00. Winds stay light, near 17 km/h by 14:00, so the day feels still more than breezy.Expect highs of 52°F and cooler readings close to 35°F. Moisture in the air spans 38%-96%, with the highest values around 06:00. Winds stay light, near 11 mph by 14:00, so the day feels still more than breezy.

Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 15.9 km, though it can fall to 13.1 km. The sun rises at 07:50 and sets at 17:56, for a total of 10 hours 5 minutes of sunlight today.Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 9.9 mi, though it can fall to 8.1 mi. The sun rises at 07:50 and sets at 17:56, for a total of 10 hours 5 minutes of sunlight today.

The practical takeaway for Chalk River on October 26, 2026 is a cloudy day that stays usable, just not particularly bright, around 11°C.The practical takeaway for Chalk River on October 26, 2026 is a cloudy day that stays usable, just not particularly bright, around 52°F.

Frequently asked questions about weather in Chalk River

How warm does it get in Chalk River?

The warmest month in Chalk River is July, with average high temperatures of 27°C. The average temperature during this period is around 21°C.The warmest month in Chalk River is July, with average high temperatures of 80°F. The average temperature during this period is around 69°F.

How cold does it get in Chalk River?

The coldest month in Chalk River is January, with average low temperatures of -14°C. The average temperature during this period is around -10°C.The coldest month in Chalk River is January, with average low temperatures of 7°F. The average temperature during this period is around 15°F.

What is the wettest time of year in Chalk River?

The wettest month in Chalk River is June, with an average of 107 mm of precipitation.The wettest month in Chalk River is June, with an average of 4.2 in of precipitation.

What is the driest time of year in Chalk River?

The driest month in Chalk River is January, with an average of 63 mm of precipitation.The driest month in Chalk River is January, with an average of 2.5 in of precipitation.

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