Last Modified 5/4/26 18:38 PM
2 day forecast
Monday
Risk of
Rain (%)
Likely
amount (mm)
Winds
Tuesday
Morning
50%
1-3
Light NE
90%
Fresh NE
Afternoon
70%
Moderate NE
Strong NE
Evening
Night
3-5
Max
Min
Rain
15
13
16
14
Heavy low cloud but mostly dry for much of Easter Monday. Cool and humid, with moderate northeasterly winds. A few drizzle patches developing during the afternoon, drizzle and light rain from evening. Overcast on Tuesday with light rain and drizzle. Strong breezy northeasterlies.
12 day forecast
Risk of Rain
Amount (mm)
E.T.
Temp
Airflow
Weather Watch
Low
Average
Increasing NE
Mild and humid
Wednesday
5-10
Decreasing NE
Thursday
10%
Mild
Friday
Saturday
Saturday to Mon
Wednesday to Fri
20-50
Cool
Strong E
Predicted rainfall
By Sunday 14mm (5-43mm), by the following Sunday 49mm (9-230mm)
Rain clearing during the day on Wednesday with strong gusty northeasterlies decreasing. Mild and humid.
From Thursday to next Monday mostly fine, some low cloud morning and night, but long sunny periods by day; moderate northeasterlies.
Cloudy next Tuesday and Wednesday with a risk of heavy rain and strong easterly quarter winds.
Evapotranspiration ET₀ (mm/day)
Location
Sun 05 Apr
Mon 06 Apr
Tue 07 Apr
Wed 08 Apr
Thu 09 Apr
Fri 10 Apr
Sat 11 Apr
Sun 12 Apr
Mon 13 Apr
Tue 14 Apr
Mean
Culverden
0.68
0.90
1.14
1.58
2.76
1.65
1.99
1.76
0.44
0.31
1.32
Rangiora
0.92
1.02
1.31
1.52
2.81
1.89
2.33
2.75
0.53
0.48
1.56
Darfield
0.93
1.08
3.05
1.71
2.00
2.41
0.38
1.47
Ashburton
0.79
1.00
1.20
1.64
2.53
1.67
2.20
2.25
0.35
0.55
1.42
Methven
0.76
1.06
1.48
2.22
2.39
0.37
0.29
1.28
Hinds
1.34
1.45
2.14
1.70
2.19
2.69
0.62
0.73
Temuka
0.83
0.97
1.37
2.18
1.75
0.84
1.13
1.39
Rainfall (mm)
Total
1.6
0.7
0.2
16.5
0.0
0.6
32.6
46.7
98.9
2.7
2.0
0.5
13.4
32.8
60.9
112.3
4.2
1.1
8.3
1.9
26.0
38.5
83.2
9.4
1.2
2.4
0.3
2.5
44.4
44.1
120.4
4.5
13.2
1.3
1.7
5.5
58.4
59.6
146.9
8.2
12.7
3.6
40.7
49.9
120.5
10.4
4.1
3.8
13.6
2.3
4.8
27.3
35.7
102.7
Cumulative Water Balance (mm)
Final
+0.9
+0.7
-0.2
+14.7
+11.9
+10.9
+8.9
+7.1
+39.3
+85.7
+1.8
+2.8
+2.0
+13.8
+11.0
+9.1
+6.8
+4.1
+36.3
+96.7
+3.3
+5.1
+11.6
+9.3
+7.3
+4.8
+30.4
+68.5
+8.6
+8.8
+10.0
+21.8
+21.9
+20.6
+18.4
+18.6
+62.7
+106.2
+3.7
+4.4
+4.5
+16.2
+15.3
+15.5
+13.1
+16.7
+74.7
+134.1
+7.4
+20.0
+18.2
+17.7
+16.4
+56.5
+105.7
+9.6
+12.7
+15.1
+27.3
+25.8
+26.4
+24.7
+27.8
+54.3
+88.8
© 2026 Blue Skies Weather & Climate Services Ltd
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