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Reitz

Sunday 19 July 2026

87%

Excellent

Forecast Reliability

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

Temp accuracy: ±1.7°C Rain detected: 100% of events (50% false alarms) Frost detected: 50% of events

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

Fair

Sunday

Temperature

4.2° — 18.3°C

Rain

0.0 mm

Max wind

24.8 km/h

Humidity

42%

Solar Forecast Calibrated × 0.799

Daily Solar

3.54 kWh/m²

3,540 Wh/m²

Peak Hour

543 W/m²

at 13:00

Solar irradiance from ECMWF IFS, calibrated against 136 station readings (high confidence).

Model Comparison

Models disagree (8° spread)
Model Max Min Rain Wind Rain %
ECMWF IFS 18.3° 4.2° 0.0 mm 24.8 km/h 0%
ICON 19.2° 0.6° 0.0 mm 29.3 km/h
yr.no 11.2° 5.3° 0.0 mm 14.0 km/h

Comparing 3 weather models. Lower spread = higher confidence.

Hourly Forecast

Time Temp Rain Wind
00:00 5.9° 7.6
01:00 5.2° 7.5
02:00 4.6° 7.7
03:00 4.3° 8.1
04:00 4.2° 8.7
05:00 4.4° 9.7
06:00 4.6° 10.4
Sunrise 06:55
07:00 5.2° 11.5
08:00 6.6° 12.8
09:00 9.5° 15.1
10:00 13.3° 18.4
11:00 16.3° 21.0
12:00 17.7° 23.1
13:00 18.3° 24.8
14:00 18.2° 24.7
15:00 17.6° 22.3
16:00 16.3° 18.5
17:00 14.8° 15.1
Sunset 17:30
18:00 12.9° 13.2
19:00 10.8° 11.8
20:00 8.9° 10.6
21:00 7.6° 9.4
22:00 6.5° 8.7
23:00 5.6° 8.3

ECMWF IFS forecast (9km resolution) via Open-Meteo. Last updated 19 Jul 20:00 SAST.