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Saint John Weather

New Brunswick 7:13 am local updated now

Partly cloudy

7°

Partly cloudy

Feels like 7°

16° 7° today's high / low
76

Great

Outdoor comfort right now

It is 7°C and partly cloudy in Saint John. Nothing wet on the radar for the next 24 hours. Temperatures climb about 7°C over the next six hours. Tomorrow: partly cloudy, high 15°C.

  • Pressure rising steadily 1017 hPa
  • 48h+ since rain
  • Wind 5 km/h W
  • Humidity 99%
  • Cloud 48%
  • UV peak 6
  • Rain chance 0%

Next 48 hours

Scroll sideways — or pick a day below.

Now

Partly cloudy

5

7am

Clear sky

10

8am

Clear sky

11

9am

Clear sky

12

10am

Clear sky

14

11am

Clear sky

15

12pm

Clear sky

16

1pm

Clear sky

15

2pm

Clear sky

15

3pm

Clear sky

16

4pm

Clear sky

15

5pm

Clear sky

14

6pm

Clear sky

13

7pm

Clear sky

11

8pm

Clear sky

10

9pm

Clear sky

10

10pm

Clear sky

10

11pm

Clear sky

10

12am

Sun

Clear sky

10

1am

Clear sky

10

2am

Clear sky

10

3am

Clear sky

10

4am

Clear sky

10

5am

Clear sky

10

6am

Clear sky

10

7am

Clear sky

10

8am

Clear sky

9

9am

Clear sky

9

10am

Clear sky

11

11am

Clear sky

13

12pm

Partly cloudy

15

1pm

Partly cloudy

14

2pm

Partly cloudy

13

3pm

Partly cloudy

12

4pm

Partly cloudy

12

5pm

Partly cloudy

11

6pm

Partly cloudy

11

7pm

Partly cloudy

1%

12

8pm

Partly cloudy

1%

15

9pm

Partly cloudy

1%

18

10pm

Partly cloudy

19

11pm

Partly cloudy

17

12am

Mon

Partly cloudy

15

1am

Partly cloudy

6%

15

2am

Partly cloudy

6%

14

3am

Light rain

34%

13

4am

Light rain

32%

13

5am

Light rain

32%

13

Conditions in detail

  • Feels like

    7°

    About what it looks like

  • Dew point

    7°

    Dry and pleasant

  • Wind

    5 km/h

    Gusting -- from W

  • Pressure

    1017 hPa

    Rising steadily

  • Visibility

    23 km

    Crystal clear

  • UV index

    0

    Peaks at 6 today

  • Cloud cover

    48%

    —

  • Precipitation today

    0.0 mm

    None expected

Air quality

US AQI

50

Good

  • PM2.5 2 µg/m³
  • PM10 2 µg/m³
  • Ozone 47 µg/m³
  • NO₂ 3 µg/m³

Saint John weather questions, answered

Will it rain in Saint John today?
No — the next 24 hours in Saint John look dry, with the chance of precipitation peaking at 0%.
How warm does it get in Saint John today?
Saint John reaches a high of 16°C and drops to 7°C overnight. Right now it is 7°C and feels like 7°C.
What is the best time to be outside in Saint John today?
1pm looks like the pick — 15°C, clear sky, wind 15 km/h. Outdoor comfort scores 100 out of 100 (perfect).
What is the weather in Saint John tomorrow?
Partly cloudy, with a high of 15°C and a low of 6°C — about the same as today. Chance of precipitation peaks at 1%.
What time is sunrise and sunset in Saint John?
The sun rises at 7:24 am and sets at 7:00 pm, giving 11h 36m of daylight.

About this Saint John forecast

Updated 2026-10-03 10:13 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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