Weather in St Johnston

Ireland · Ulster · 54.9355, -7.4611

Today Now 3:29 PM

+52° Partly cloudy

Hourly forecast

Today10/17 Temperature°F Cloudiness Precipitation Windmph Wind gusts Humidity PressureinHg Dew point°F Visibilitymi UV index
Hourly forecast — St Johnston

Forecast in words

Today

Partly cloudy throughout the day, high +52°, low +41°. Wind up to 5 mph. The day promises to be dry.

Tomorrow

Tomorrow high +52° and mostly clear, nighttime low +34° — almost like today.

Week

This week temperatures range from +34° to +54°. Peak warmth: Mon, +54°. Coldest night — Sun, around +34°. Precipitation expected: Wed, Thu, Fri, Sat. Strongest wind — Fri, up to 24 mph.

Week vs norm

  1. Today 10/17 +52° −2° usually +54°
  2. Tomorrow 10/18 +52° −2° usually +54°
  3. Mon 10/19 +54° as usual usually +54°
  4. Tue 10/20 +52° −2° usually +53°
  5. Wed 10/21 +50° −3° usually +53°
  6. Thu 10/22 +50° −3° usually +53°
  7. Fri 10/23 +48° −5° usually +53°
  8. Sat 10/24 +48° −4° usually +53°

Difference between forecast daytime high and the 1991–2020 norm for this date.

This day, October 17

Today is cooler than usual for this date.

  • Heat record +62° 2005
  • Cold record +29° 1993
  • Most precipitation 0.8 in 2011
  • Strongest gust 57 mph 1998

Records for this calendar date, 1991-2024, ERA5 reanalysis.

Climate in St Johnston

Today is close to the norm for October.

Climate normals by month, St Johnston
Month Daytime / Nighttime Average Precipitation in
Jan +44° / +36° +40° 3.9
Feb +45° / +37° +41° 3.6
Mar +48° / +38° +43° 3.6
Apr +52° / +40° +46° 3.7
May +58° / +45° +51° 4.1
Jun +61° / +50° +56° 4.2
Jul +64° / +53° +58° 4.7
Aug +63° / +53° +58° 4.6
Sep +60° / +49° +55° 3.7
Oct +54° / +45° +50° 4.1
Nov +48° / +40° +44° 3.9
Dec +45° / +37° +41° 4.0

Climatic normals for 1991–2025 years from ERA5-Land reanalysis.

Astronomical data

Sunrise / sunset 8:03 AM | 6:26 PM
Moon 3:42 PM | 9:59 PM
Moon phase Waxing crescent 39%
Next solar eclipse
Calculating for this city…

Weather in the region