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Reitz

Thursday 21 May 2026

86%

Excellent

Forecast Reliability

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

Temp accuracy: ±1.8°C Rain detected: 100% of events (50% false alarms) Frost detected: 50% of events

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

Partly cloudy

Thursday

Temperature

4.7° — 15.9°C

Rain

0.0 mm

Max wind

14.2 km/h

Humidity

70%

Solar Forecast Calibrated × 0.815

Daily Solar

3.45 kWh/m²

3,452 Wh/m²

Peak Hour

Solar irradiance from ECMWF IFS, calibrated against 127 station readings (high confidence).

Model Comparison

Some disagreement (4.3° spread)
Model Max Min Rain Wind Rain %
ECMWF IFS 15.9° 4.7° 0.0 mm 14.2 km/h 0%
ICON 16.1° 1.6° 0.0 mm 11.9 km/h
yr.no 11.8° 9.0° 0.0 mm 10.4 km/h

Comparing 3 weather models. Lower spread = higher confidence.

No hourly data available for this date yet. Hourly data is available for the next few days.

ECMWF IFS forecast (9km resolution) via Open-Meteo. Last updated 21 May 20:00 SAST.