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Reitz

Friday 22 May 2026

89%

Excellent

Forecast Reliability

Based on 31 days of verified data (last 30 days, Reitz)

Temp accuracy: ±1.4°C Rain detected: 67% of events (33% false alarms)

Score weighting: Temperature 40%, Rainfall 40%, Wind 20%

Fair

Friday

Temperature

5.9° — 16.6°C

Rain

0.0 mm

Max wind

17.8 km/h

Humidity

69%

Solar Forecast Calibrated × 0.748

Daily Solar

2.99 kWh/m²

2,991 Wh/m²

Peak Hour

452 W/m²

at 12:00

Solar irradiance from ECMWF IFS, calibrated against 131 station readings (high confidence).

Model Comparison

Some disagreement (4.7° spread)
Model Max Min Rain Wind Rain %
ECMWF IFS 16.6° 5.9° 0.0 mm 17.8 km/h 0%
ICON 15.7° 4.2° 0.0 mm 20.3 km/h
yr.no 11.9° 7.4° 0.0 mm 9.7 km/h

Comparing 3 weather models. Lower spread = higher confidence.

Hourly Forecast

Time Temp Rain Wind
00:00 8.6° 4.3
01:00 8.0° 5.0
02:00 7.5° 6.3
03:00 6.8° 6.9
04:00 6.1° 7.2
05:00 5.9° 7.2
06:00 6.3° 6.8
Sunrise 06:43
07:00 7.2° 6.5
08:00 8.5° 6.8
09:00 10.7° 8.6
10:00 13.4° 11.5
11:00 15.4° 13.7
12:00 16.3° 15.7
13:00 16.6° 17.2
14:00 16.5° 17.8
15:00 16.2° 16.0
16:00 15.5° 12.7
17:00 14.5° 10.4
Sunset 17:22
18:00 12.8° 9.0
19:00 10.7° 7.9
20:00 9.1° 6.8
21:00 8.3° 6.6
22:00 8.0° 6.4
23:00 7.6° 6.1

ECMWF IFS forecast (9km resolution) via Open-Meteo. Last updated 22 May 20:00 SAST.