Cassilis Rainfall Forecast

Today 5 Sep
10%< 1mm
Sat 6 Sep
10%< 1mm
Sun 7 Sep
5%< 1mm
Mon 8 Sep
50%< 2mm
Tue 9 Sep
90%10–20mm
Wed 10 Sep
80%5–10mm
Thu 11 Sep
50%< 2mm

Cassilis Rainfall Statistics View More

September Rainfall

Merriwa (Roscommon) (27km)

Total Rainfall 2025
434mm
Daily Average 2025
2mm
Wettest Day 27 May, 2025
37.8mm
Wet Days 2025
58/248 (23%)
Total Rainfall August
56.8mm
Daily Average August
1.8mm
Wettest Day 21 August, 2025
33.4mm
Wet Days August
11/31 (35%)
Total Rainfall September
0mm
Daily Average September
0mm
Wettest Day 1 September, 2025
0mm
Wet Days September
–

Climate (2010–Present)

Merriwa (Roscommon) (27km)

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Annual Average 2020–2024
758.6mm
Monthly Average 2020–2025
60.9mm
Daily Average 2020–2025
2.1mm
Wettest Day 23 March, 2021
75.6mm

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