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Hamilton Weather

Ontario 6:12 am local updated now

Clear sky

7°

Clear sky

Feels like 7°

16° 9° today's high / low
74

Great

Outdoor comfort right now

It is 7°C and clear sky in Hamilton. Nothing wet on the radar for the next 24 hours. Temperatures climb about 6°C over the next six hours. Tomorrow: light rain, high 19°C.

  • Pressure rising slowly 1026 hPa
  • 48h+ since rain
  • Wind 1 km/h NNW
  • Humidity 95%
  • Cloud 0%
  • UV peak 6
  • Rain chance 5%

Next 48 hours

Scroll sideways — or pick a day below.

Now

Clear sky

2

6am

Clear sky

9

7am

Clear sky

9

8am

Clear sky

9

9am

Clear sky

9

10am

Clear sky

11

11am

Clear sky

13

12pm

Clear sky

14

1pm

Clear sky

5%

15

2pm

Clear sky

15

3pm

Clear sky

15

4pm

Clear sky

15

5pm

Clear sky

15

6pm

Clear sky

14

7pm

Clear sky

13

8pm

Clear sky

12

9pm

Clear sky

12

10pm

Clear sky

12

11pm

Clear sky

12

12am

Sun

Clear sky

11

1am

Partly cloudy

10

2am

Partly cloudy

9

3am

Partly cloudy

9

4am

Partly cloudy

8

5am

Partly cloudy

6

6am

Partly cloudy

1%

4

7am

Partly cloudy

2%

4

8am

Partly cloudy

1%

4

9am

Partly cloudy

2%

5

10am

Partly cloudy

2%

6

11am

Partly cloudy

4%

8

12pm

Partly cloudy

2%

11

1pm

Partly cloudy

4%

13

2pm

Partly cloudy

2%

15

3pm

Partly cloudy

1%

16

4pm

Partly cloudy

16

5pm

Partly cloudy

16

6pm

Partly cloudy

16

7pm

Partly cloudy

15

8pm

Light rain

8%

14

9pm

Light rain

3%

14

10pm

Light rain

3%

15

11pm

Partly cloudy

3%

16

12am

Mon

Partly cloudy

1%

16

1am

Partly cloudy

1%

17

2am

Partly cloudy

18

3am

Partly cloudy

18

4am

Partly cloudy

18

Conditions in detail

  • Feels like

    7°

    About what it looks like

  • Dew point

    7°

    Dry and pleasant

  • Wind

    1 km/h

    Gusting 0 km/h from NNW

  • Pressure

    1026 hPa

    Rising slowly

  • Visibility

    16 km

    Clear

  • UV index

    0

    Peaks at 6 today

  • Cloud cover

    0%

    —

  • Precipitation today

    0.0 mm

    None expected

Air quality

US AQI

28

Good

  • PM2.5 4 µg/m³
  • PM10 4 µg/m³
  • Ozone 30 µg/m³
  • NO₂ 8 µg/m³

Hamilton weather questions, answered

Will it rain in Hamilton today?
No — the next 24 hours in Hamilton look dry, with the chance of precipitation peaking at 5%.
How warm does it get in Hamilton today?
Hamilton reaches a high of 16°C and drops to 9°C overnight. Right now it is 7°C and feels like 7°C.
What is the best time to be outside in Hamilton today?
12pm looks like the pick — 15°C, clear sky, wind 14 km/h. Outdoor comfort scores 100 out of 100 (perfect).
What is the weather in Hamilton tomorrow?
Light rain, with a high of 19°C and a low of 9°C — +3.5° warmer than today. Chance of precipitation peaks at 8%.
What time is sunrise and sunset in Hamilton?
The sun rises at 7:19 am and sets at 6:57 pm, giving 11h 38m of daylight.

About this Hamilton forecast

Updated 2026-10-03 10:12 UTC, and refreshed automatically every few minutes. Forecast data is provided by Visual Crossing; radar frames from RainViewer; the 20-year normals and records from the ERA5 reanalysis archive. No national weather service publishes point alerts here, so only computed watches are shown.

Watches labelled computed are worked out on this site from forecast thresholds and are not official warnings — always defer to your national weather service. Need help reading a number? See the sourced weather guide.

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