Hamilton

Ontario, Canada

Current Weather

17°63°

Mostly Clear

Feels Like: 16°61°

Min: 5°41°

Max: 19°66°

The next few hours will be clear, with today reaching 19°C and dropping to 7°C. The coming days will be mostly clear starting in the afternoon.

Hourly Forecast

18°65°17°62°15°58°13°56°12°54°11°52°11°51°11°51°11°51°10°50°10°50°9°49°8°47°7°45°6°44°7°44°8°47°2°35°2°35°3°37°3°38°3°38°4°39°5°41°
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
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

29
Good

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

GoodHazardous

Daylight Hours

07:50

Sunrise

18:16

Sunset

10 hours 26 minutes of sunlight today

Moon

16:38

Moonrise

03:34

Moonset

Daily Forecast

Today

5°41°
19°66°

Friday

2°35°
11°51°

Saturday

-3°26°
11°52°

Sunday

-1°30°
14°57°

Monday

1°34°
15°58°

Tuesday

-1°31°
13°55°

Wednesday

0°32°
14°57°

Thursday

2°35°
14°58°

Friday

2°35°
11°53°

Saturday

3°38°
11°51°

UV Index

No protection needed
1Low
LowExtreme

Humidity

62%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 Hamilton.

View stargazing score

Weather in Hamilton today, October 22, 2026

Hamilton sees a largely clear day on October 22, 2026, interrupted by cloudier skies around 23:00. Plan for bright conditions either side of that cloudier interval.Hamilton sees a largely clear day on October 22, 2026, interrupted by cloudier skies around 23:00. Plan for bright conditions either side of that cloudier interval.

The temperature range runs from about 5°C up to 19°C. Relative humidity sits between 58% and 96%, reaching its peak around 23:00. Airflow remains manageable, reaching about 10 km/h around 23:00.The temperature range runs from about 41°F up to 66°F. Relative humidity sits between 58% and 96%, reaching its peak around 23:00. Airflow remains manageable, reaching about 6 mph around 23:00.

Afternoon conditions open up, holding cloud close to 42% near 23:00. The day finishes on a milder, brighter note. Expect visibility near 15.6 km, with poorer spells close to 13.1 km. Sunrise is at 07:50 and sunset at 18:16, giving 10 hours 26 minutes of sunlight today.Afternoon conditions open up, holding cloud close to 42% near 23:00. The day finishes on a milder, brighter note. Expect visibility near 9.7 mi, with poorer spells close to 8.1 mi. Sunrise is at 07:50 and sunset at 18:16, giving 10 hours 26 minutes of sunlight today.

Taken together, settled sunshine in Hamilton on October 22, 2026 makes outdoor timing easier, with highs near 19°C.Taken together, settled sunshine in Hamilton on October 22, 2026 makes outdoor timing easier, with highs near 66°F.

Frequently asked questions about weather in Hamilton

How warm does it get in Hamilton?

The warmest month in Hamilton is July, with average high temperatures of 26°C. The average temperature during this period is around 22°C.The warmest month in Hamilton is July, with average high temperatures of 80°F. The average temperature during this period is around 72°F.

How cold does it get in Hamilton?

The coldest month in Hamilton is January, with average low temperatures of -5°C. The average temperature during this period is around -3°C.The coldest month in Hamilton 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 Hamilton?

The wettest month in Hamilton is April, with an average of 100 mm of precipitation.The wettest month in Hamilton is April, with an average of 3.9 in of precipitation.

What is the driest time of year in Hamilton?

The driest month in Hamilton is September, with an average of 57 mm of precipitation.The driest month in Hamilton is September, with an average of 2.2 in of precipitation.

View full climate insights for Hamilton →