Petersburg

Region of Waterloo, Ontario, Canada

Current Weather

13°56°

Overcast

Feels Like: 14°57°

Min: 6°44°

Max: 15°59°

The next few hours will be clear, with today reaching 15°C and dropping to 2°C. The coming days will be mostly cloudy throughout the day.

Hourly Forecast

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Air Quality

27
Good

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

GoodHazardous

Daylight Hours

07:58

Sunrise

18:13

Sunset

10 hours 15 minutes of sunlight today

Moon

18:17

Moonrise

08:31

Moonset

Daily Forecast

Today

6°44°
15°59°

Tuesday

1°35°
10°50°

Wednesday

4°40°
17°62°

Thursday

9°49°
19°67°

Friday

8°47°
16°60°

Saturday

7°45°
15°59°

Sunday

9°48°
16°61°

Sunday

10°50°
16°61°

Monday

9°48°
16°61°

Tuesday

4°39°
16°60°

UV Index

No protection needed
2Low
LowExtreme

Humidity

49%Dry
LowHigh

Looking at the night sky?

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Weather in Petersburg today, October 26, 2026

Petersburg looks cloudy on October 26, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward.Petersburg looks cloudy on October 26, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward.

The day peaks near 15°C and cools toward 6°C. Relative humidity sits between 46% and 70%, reaching its peak around 22:00. Airflow remains manageable, reaching about 18 km/h around 13:00.The day peaks near 59°F and cools toward 44°F. Relative humidity sits between 46% and 70%, reaching its peak around 22:00. Airflow remains manageable, reaching about 11 mph around 13:00.

Through the afternoon cloud remains the main feature, with cover near 100% around 13:00. Bright spells should stay limited even as the day wears on. Expect visibility around 16.1 km. Expect sunrise at 07:58, sunset at 18:13, and 10 hours 15 minutes of sunlight today overall.Through the afternoon cloud remains the main feature, with cover near 100% around 13:00. Bright spells should stay limited even as the day wears on. Expect visibility around 10 mi. Expect sunrise at 07:58, sunset at 18:13, and 10 hours 15 minutes of sunlight today overall.

Overall, Petersburg on October 26, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 15°C.Overall, Petersburg on October 26, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 59°F.

Frequently asked questions about weather in Petersburg

How warm does it get in Petersburg?

The warmest month in Petersburg is July, with average high temperatures of 26°C. The average temperature during this period is around 21°C.The warmest month in Petersburg is July, with average high temperatures of 79°F. The average temperature during this period is around 70°F.

How cold does it get in Petersburg?

The coldest month in Petersburg is January, with average low temperatures of -8°C. The average temperature during this period is around -5°C.The coldest month in Petersburg is January, with average low temperatures of 17°F. The average temperature during this period is around 23°F.

What is the wettest time of year in Petersburg?

The wettest month in Petersburg is June, with an average of 96 mm of precipitation.The wettest month in Petersburg is June, with an average of 3.8 in of precipitation.

What is the driest time of year in Petersburg?

The driest month in Petersburg is September, with an average of 61 mm of precipitation.The driest month in Petersburg is September, with an average of 2.4 in of precipitation.

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