Walnut

Lambton County, Ontario, Canada

Current Weather

4°40°

Clear

Feels Like: 0°33°

Min: 3°37°

Max: 19°66°

The next few hours will be clear, with today reaching 19°C and dropping to 6°C. The coming days will be mostly clear until night.

Hourly Forecast

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Air Quality

30
Good

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

GoodHazardous

Daylight Hours

08:01

Sunrise

18:21

Sunset

10 hours 19 minutes of sunlight today

Moon

17:53

Moonrise

07:17

Moonset

Daily Forecast

Today

3°37°
19°66°

Monday

6°43°
15°60°

Tuesday

2°36°
10°50°

Wednesday

2°36°
13°56°

Thursday

5°41°
12°54°

Friday

4°39°
10°49°

Saturday

2°36°
8°47°

Sunday

2°35°
14°57°

Sunday

6°43°
14°57°

Monday

2°35°
20°68°

UV Index

No protection needed
0Low
LowExtreme

Humidity

93%Very Humid
LowHigh

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Weather in Walnut today, October 25, 2026

Expect a muted, overcast feel in Walnut on October 25, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The opening hours look fair, as cloud stays near 11% around 08:00. Morning errands should face fewer weather interruptions.Expect a muted, overcast feel in Walnut on October 25, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The opening hours look fair, as cloud stays near 11% around 08:00. Morning errands should face fewer weather interruptions.

Expect highs of 19°C and cooler readings close to 3°C. Expect humidity between 39% and 98%, most humid near 07:00. Expect gentle winds, highest near 12:00 at 17 km/h.Expect highs of 66°F and cooler readings close to 37°F. Expect humidity between 39% and 98%, most humid near 07:00. Expect gentle winds, highest near 12:00 at 11 mph.

Expect persistent cloud later on, with amounts around 100% by 13:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.1 km on average, though it can drop toward 12.2 km in thicker cloud or showers. Expect sunrise at 08:01, sunset at 18:21, and 10 hours 19 minutes of sunlight today overall.Expect persistent cloud later on, with amounts around 100% by 13:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 9.4 mi on average, though it can drop toward 7.6 mi in thicker cloud or showers. Expect sunrise at 08:01, sunset at 18:21, and 10 hours 19 minutes of sunlight today overall.

The practical takeaway for Walnut on October 25, 2026 is a cloudy day that stays usable, just not particularly bright, around 19°C.The practical takeaway for Walnut on October 25, 2026 is a cloudy day that stays usable, just not particularly bright, around 66°F.

Frequently asked questions about weather in Walnut

How warm does it get in Walnut?

The warmest month in Walnut is July, with average high temperatures of 25°C. The average temperature during this period is around 22°C.The warmest month in Walnut is July, with average high temperatures of 78°F. The average temperature during this period is around 71°F.

How cold does it get in Walnut?

The coldest month in Walnut is January, with average low temperatures of -5°C. The average temperature during this period is around -3°C.The coldest month in Walnut is January, with average low temperatures of 23°F. The average temperature during this period is around 27°F.

What is the wettest time of year in Walnut?

The wettest month in Walnut is October, with an average of 108 mm of precipitation.The wettest month in Walnut is October, with an average of 4.3 in of precipitation.

What is the driest time of year in Walnut?

The driest month in Walnut is September, with an average of 74 mm of precipitation.The driest month in Walnut is September, with an average of 2.9 in of precipitation.

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