St. Johns weather — 10-day forecast

Temperature, rain, wind and feels-like in St. Johns, hour by hour and over 10 days, with the seasonal normal for context.

Now

Reading from 00:00 · NOAA HRRR model

16 °C

Clear sky

Feels like 15 °C

9.6 km/hforce 2

Next 12 h

  • 0016°
  • 0115°
  • 0216°
  • 0315°
  • 0414°
  • 0514°
  • 0614°
  • 0714°
  • 07:32Sunrise
  • 0814°
  • 0916°
  • 1018°
  • 1120°
  • 1222°

↓ 14°06:00↑ 22°12:00

Humidity
81 %
Dew point
13 °C
Gusts
20.0 km/h
Clouds
2 %
Pressure
1,023 hPa

Grid point 1.0 km away · 3.0 km grid · elevation 10 m

Air quality

The European air-quality index for the city, and the pollutants that set it.

Reading from 02:00
25
Fair

Index set by Ozone

Ozone
62.4µg/m³
PM2.5
8.3µg/m³
PM10
12.0µg/m³
Nitrogen dioxide
3.3µg/m³
Sulphur dioxide
0.6µg/m³
Carbon monoxide
138.0µg/m³
Dust (AOD)
0.00

Generated using Copernicus Atmosphere Monitoring Service information

Hour by hour

Step-by-step detail: temperature, wind, cloud cover and ultraviolet.

Estimated from a deterministic model, not an ensemble probability.
°C

10 days

Each day's extremes and the chance of rain, out to the end of the run.

12° → 25°

Rain probability (> 1 mm): 50 ECMWF ensemble members.

  • Today

    Clear sky

    18°

    16°

  • Tue

    Mainly clear

    22°

    14°

  • Wed

    Mainly clear

    24°

    12°

  • Thu

    Clear sky

    24°

    13°

  • Fri

    Mainly clear18 %

    24°

    16°

  • Sat

    Light rain18 %

    22°

    20°

  • Sun

    Light drizzle2 mm

    25°

    21°

  • Mon

    Light drizzle0 mm

    24°

    22°

  • Tue

    Light drizzle1 mm

    24°

    19°

  • Wed

    Overcast

    25°

    16°

Gusts · Sun 56.7 km/h · Mon 52.3 km/h

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV0low
Sunrise
07:31
Daylight
11 h 20
Sunset
18:51

Radiation · 0.0 MJ/m²

Sea state

Sea state at the marine grid point closest to the city.

2.5 mperiod 13 s 58°

Significant height: the mean of the highest third of waves. Individual waves reach about twice it.

Data: ECMWF

Today in St. Johns the mean temperature will be 17.1 °C — -4.5 °C against the normal for 19 October, measured from 1940 to 2026. (1,291 obs.)

St. Johns climate — normals and trends →