Saint John weather

The forecast for Saint John (Canada) for the next 10 days in local time: every 3 hours for the first 6 days, then every 6 hours. See when it will rain, how hard the wind will blow and how warm it will get.

New Brunswick, Canada45.27°N, 66.06°WAmerica/Moncton (UTC-3)ECMWF: October 25 at 03:00 PM

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Next 48 hours (local time)

10-day forecast

  1. TodayOctober 25Clear sky
    gusts 30 km/h    9°C 9°C
  2. TomorrowOctober 26Cloudy
    gusts 32 km/h    14°C 5°C
  3. TuesdayOctober 27Clear sky
    gusts 46 km/h    9°C 3°C
  4. WednesdayOctober 28Clear sky
    gusts 32 km/h    8°C 0°C
  5. ThursdayOctober 29Partly cloudy
    gusts 23 km/h    12°C 3°C
  6. FridayOctober 30Rain
    3 mm · gusts 17 km/h    12°C 9°C
  7. SaturdayOctober 31Mostly clear
    gusts 47 km/h    11°C 4°C
  8. SundayNovember 1Mostly clear
    gusts 47 km/h    13°C 3°C
  9. MondayNovember 2Cloudy
    0.4 mm · gusts 51 km/h    13°C 10°C
  10. TuesdayNovember 3Light rain
    3 mm · gusts 51 km/h    7°C 2°C

Over the next 10 days in Saint John, temperatures will range from 0°C to 14°C, with 7 mm of rain or snow in total. Days with at least 1 mm of precipitation: 2. ECMWF model run from October 25 at 03:00 PM.

Saint John wind forecast for 10 days

Windiest: Monday, November 2 - average 20 km/h, gusts up to 51 km/h. Calmest: Wednesday, October 28 - average 10 km/h. The wind blows most often from the southwest.

DayWindGustsDirection
Today15 km/h30 km/h southwest
Tomorrow13 km/h32 km/h southwest
Tue, 10/2716 km/h46 km/h northwest
Wed, 10/2810 km/h32 km/h west
Thu, 10/2915 km/h23 km/h southwest
Fri, 10/3012 km/h17 km/h southwest
Sat, 10/3113 km/h47 km/h northwest
Sun, 11/113 km/h47 km/h southwest
Mon, 11/220 km/h51 km/h southwest
Tue, 11/318 km/h51 km/h north

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Climate through the year

In October, daytime temperatures here average 12°C and nights 4°C, with about 128 mm of rain over the month. The sea is around 11°C at that time. The warmest month is July (an average of 23°C by day), the coolest is January (-4°C by day, -12°C at night). The wettest month is December (about 132 mm) and the driest is August (87 mm). The sea temperature ranges from about 1°C in February to 15°C in August.

MonthDayNightRainSea
January-4°C-12°C88 mm2°C
February-3°C-11°C88 mm1°C
March2°C-6°C91 mm2°C
April9°C0°C95 mm4°C
May15°C5°C100 mm7°C
June20°C10°C110 mm10°C
July23°C14°C95 mm14°C
August23°C13°C87 mm15°C
September19°C10°C97 mm14°C
October12°C4°C128 mm11°C
November6°C-1°C127 mm8°C
December0°C-7°C132 mm5°C

Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day. NASA POWER

The forecast for Saint John comes from the ECMWF model and is computed for the point 45.27°N, 66.06°W. Temperature is measured 2 m above the ground, wind at 10 m. Gusts are the strongest bursts of wind within each 3-hour period.

Source: ECMWF IFS model (CC BY 4.0), data modified. A forecast is a model result, not a measurement. ECMWF

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