Today
During the day clear, up to +39°, at night around +37°. Light wind, up to 4 mph. The day promises to be dry.
Weather in Porsgrunn
Norway · Telemark · 59.1405, 9.6561
Today Now 9:17 PM
+39° Clear
Hourly forecast
Today10/17
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow mostly clear, high +50°, low +36°, 11° warmer.
Week
Seven days ahead fall within +36°…+50°. Peak warmth: Sun, +50°. Coldest night — Sun, around +36°. Rain on Wed, Thu, Fri, Sat. Sunshine expected on 3 of seven days. Windiest day — Fri (19 mph).
Week vs norm
- Today 10/17 +39° −9° usually +49°
- Tomorrow 10/18 +50° +2° usually +48°
- Mon 10/19 +50° +2° usually +48°
- Tue 10/20 +46° −1° usually +48°
- Wed 10/21 +48° as usual usually +48°
- Thu 10/22 +48° as usual usually +47°
- Fri 10/23 +50° +3° usually +47°
- Sat 10/24 +48° +1° usually +47°
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 +57° 2018
- Cold record +24° 1993
- Most precipitation 0.9 in 1996
- Strongest gust 42 mph 1995
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Porsgrunn
Today is about 10° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +33° / +27° | +30° | 4.0 |
| Feb | +34° / +27° | +30° | 2.7 |
| Mar | +39° / +31° | +35° | 2.5 |
| Apr | +47° / +38° | +42° | 2.3 |
| May | +56° / +46° | +51° | 2.7 |
| Jun | +63° / +53° | +58° | 3.3 |
| Jul | +67° / +58° | +63° | 3.6 |
| Aug | +65° / +57° | +61° | 4.1 |
| Sep | +59° / +51° | +55° | 4.3 |
| Oct | +49° / +43° | +46° | 4.6 |
| Nov | +41° / +36° | +38° | 4.6 |
| Dec | +35° / +29° | +32° | 3.7 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
8:03 AM | 6:08 PM
Moon
4:18 PM | 9:02 PM
Moon phase
Waxing crescent 38%
Next solar eclipse
Calculating for this city…