Days 1-14 are a real forecast from global weather models. Days 15-30 are season-typical values based on SMHI climate normals 1991-2020 — good for planning, NOT an exact forecast that far ahead.
30 days — Varberg
14 real + 16 synthesised
Thu · Today Clear
+25°+19°8%
Fri · Tomorrow Clear
+19°+16°7%
Saturday 1/8 Showers
+17°+14°0,7 mm
Sunday 2/8 Clear
+19°+14°1,0 mm
Monday 3/8 Clear
+17°+14°17%
Tuesday 4/8 Clear
+17°+14°17%
Wednesday 5/8 Drizzle
+17°+14°7,2 mm
Thursday 6/8 Showers
+16°+14°5,4 mm
Friday 7/8 Showers
+17°+14°7,6 mm
Saturday 8/8 Clear
+18°+14°13%
Sunday 9/8 Clear
+17°+15°13%
Monday 10/8 Clear
+19°+14°8%
Tuesday 11/8 Showers
+19°+15°2,7 mm
Wednesday 12/8 Showers
+18°+16°7,7 mm
Thursday 13/8 Rain (climate normal)
+24°+14°5,7 mm
Friday 14/8 Partly cloudy (climate normal)
+26°+15°20%
Saturday 15/8 Partly cloudy (climate normal)
+26°+15°20%
Sunday 16/8 Rain (climate normal)
+25°+15°7,0 mm
Monday 17/8 Partly cloudy (climate normal)
+23°+14°20%
Tuesday 18/8 Partly cloudy (climate normal)
+22°+13°20%
Wednesday 19/8 Rain (climate normal)
+24°+14°7,5 mm
Thursday 20/8 Partly cloudy (climate normal)
+25°+14°20%
Friday 21/8 Partly cloudy (climate normal)
+26°+16°20%
Saturday 22/8 Rain (climate normal)
+28°+16°5,1 mm
Sunday 23/8 Partly cloudy (climate normal)
+25°+15°20%
Monday 24/8 Partly cloudy (climate normal)
+22°+13°20%
Tuesday 25/8 Rain (climate normal)
+22°+13°3,5 mm
Wednesday 26/8 Partly cloudy (climate normal)
+22°+13°20%
Thursday 27/8 Partly cloudy (climate normal)
+24°+14°20%
Friday 28/8 Rain (climate normal)
+28°+16°6,8 mm
How does the long-range forecast work?
Days 1-14: Fetched live from global weather models (ECMWF, GFS) with statistical correction. Reliability ~85% for days 1-3, ~60% for days 7-10, ~45% for days 11-14.
Days 15-30: A real forecast does not exist that far ahead (a chaotic system). Instead we show season-typical values: the month’s average Tmax/Tmin from SMHI climate normals 1991-2020 (Stockholm baseline with latitude correction for Varberg), with mild weekly variation.
Use: "Roughly how warm is it usually in Stockholm in the last week of July?" — a good question for days 15-30. "Will it rain on 27 May?" — no serious forecast can say.