Saint John

City of Saint John, New Brunswick, Canada

Current Weather

4°40°

Clear

Feels Like: 4°39°

Min: 4°39°

Max: 16°61°

The next few hours will be clear, with today reaching 16°C and dropping to 2°C. The coming days will be clear throughout the day.

Hourly Forecast

4°40°4°40°4°39°4°39°4°39°4°39°4°40°8°46°11°51°13°55°14°57°15°60°16°61°16°60°15°58°13°55°13°55°11°52°11°51°10°49°9°48°8°46°7°44°6°42°
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
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

24
Good

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

GoodHazardous

Daylight Hours

08:03

Sunrise

18:12

Sunset

10 hours 8 minutes of sunlight today

Moon

18:11

Moonrise

08:35

Moonset

Daily Forecast

Today

4°39°
16°61°

Tuesday

1°33°
8°46°

Wednesday

-1°30°
8°47°

Thursday

3°37°
13°55°

Friday

9°48°
15°59°

Saturday

5°40°
11°52°

Sunday

3°37°
11°52°

Sunday

6°43°
12°53°

Monday

1°34°
9°49°

Tuesday

-1°31°
12°53°

UV Index

No protection needed
0Low
LowExtreme

Humidity

85%Humid
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 Saint John.

View stargazing score

Weather in Saint John today, October 26, 2026

Saint John 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 first half of the day looks overcast, as cloud amounts reach about 100% around 09:00. Brighter weather, if it comes, waits until later.Saint John 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 first half of the day looks overcast, as cloud amounts reach about 100% around 09:00. Brighter weather, if it comes, waits until later.

Expect highs of 16°C and cooler readings close to 4°C. Expect humidity between 44% and 92%, most humid near 09:00. Airflow remains manageable, reaching about 19 km/h around 23:00.Expect highs of 61°F and cooler readings close to 39°F. Expect humidity between 44% and 92%, most humid near 09:00. Airflow remains manageable, reaching about 12 mph around 23:00.

Expect persistent cloud later on, with amounts around 100% by 17:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 16.1 km on average, though it can drop toward 15.6 km in thicker cloud or showers. The sun rises at 08:03 and sets at 18:12, for a total of 10 hours 8 minutes of sunlight today.Expect persistent cloud later on, with amounts around 100% by 17:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 10 mi on average, though it can drop toward 9.7 mi in thicker cloud or showers. The sun rises at 08:03 and sets at 18:12, for a total of 10 hours 8 minutes of sunlight today.

Overall, Saint John on October 26, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 16°C.Overall, Saint John on October 26, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 61°F.

Frequently asked questions about weather in Saint John

How warm does it get in Saint John?

The warmest month in Saint John is August, with average high temperatures of 19°C. The average temperature during this period is around 17°C.The warmest month in Saint John is August, with average high temperatures of 67°F. The average temperature during this period is around 63°F.

How cold does it get in Saint John?

The coldest month in Saint John is February, with average low temperatures of -7°C. The average temperature during this period is around -3°C.The coldest month in Saint John is February, with average low temperatures of 20°F. The average temperature during this period is around 26°F.

What is the wettest time of year in Saint John?

The wettest month in Saint John is December, with an average of 139 mm of precipitation.The wettest month in Saint John is December, with an average of 5.5 in of precipitation.

What is the driest time of year in Saint John?

The driest month in Saint John is July, with an average of 91 mm of precipitation.The driest month in Saint John is July, with an average of 3.6 in of precipitation.

View full climate insights for Saint John →