Weather in Casterton
Victoria, 49 m · continuously updated
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Temperature · last 4 and next 28 hours
Casterton weather: the next 24 hours
Updated hourly.
Casterton 14-day forecast
Two-week trend.
Sun and golden hours
Sunrise –, golden light until –
Sunset –, golden light from –
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Air quality
European index, modelled by Copernicus (CAMS).
UV index
Daily maximum — protection advised from 3.
Freezing level
Snow settles about 300 m below it.
Around Casterton
Neighbouring towns, as the crow flies.
The observed climate near Casterton
The weather station nearest to Casterton, Casterton Showgrounds located 71 m above sea level, is 1 km away; its records cover 1957–2017. The warmest month ever measured is January 1961 (22.7 °C), the coldest July 1982 (7.6 °C). See the full series of Casterton Showgrounds
Today in Casterton
- Very high UV index: 8.2 around 14:00. Stay in the shade between 12:00 and 18:00. Fair skin burns in about 24 minutes: avoid exposure, cover up and use SPF 50. How it is calculated
- Best time to air the house: between 12:00 and 15:00. The outdoor dew point drops to 5 °C; once warmed to 20 °C, that air holds only 37 % humidity, against 50 % in a typical home: opening the windows dries the house. How it is calculated
- Washing outside: between 12:00 and 16:00. With 51 % humidity, 15.2 °C and wind at 13.1 km/h, a load of cotton washing dries in about 4 h. How it is calculated
- Garden: 4.6 mm of rain expected against a need of 6.7 mm over 48 h. Top up tomorrow, between 6:00 and 9:00 with about 2 L/m² on the thirstiest crops. How it is calculated
- Terrace and barbecue between 18:00 and 23:00: dry, wind at 13 km/h, 14 °C at 8 pm. A lovely evening. How it is calculated
Calculated from Open-Meteo forecasts of 2026-11-05 12:32 (local time): model values, not measurements. All of today's advice
7-day forecast for Casterton
Today (Thursday 5 Nov) in Casterton: overcast, 6 to 18 °C, precipitation 0.0 mm (10 %), wind up to 18 km/h. Tomorrow: drizzle, 10 to 19 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | overcast | 6 °C | 18 °C | 0.0 mm | 18 km/h |
| Tomorrow | drizzle | 10 °C | 19 °C | 2.5 mm | 26 km/h |
| Sat 7 Nov | drizzle | 6 °C | 14 °C | 2.1 mm | 23 km/h |
| Sun 8 Nov | overcast | 6 °C | 14 °C | 0.0 mm | 16 km/h |
| Mon 9 Nov | overcast | 6 °C | 22 °C | 0.0 mm | 13 km/h |
| Tue 10 Nov | drizzle | 11 °C | 26 °C | 2.4 mm | 24 km/h |
| Wed 11 Nov | drizzle | 10 °C | 13 °C | 6.6 mm | 24 km/h |
Tomorrow's weather in Casterton
Tomorrow, Friday 6 Nov, in Casterton: drizzle, from 10 to 19 °C, 2.5 mm of precipitation (probability 96 %), wind up to 26 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  partly cloudy | 12 °C | 0.0 mm | 0 % | 10 km/h |
| 03:00 |  overcast | 10 °C | 0.0 mm | 0 % | 11 km/h |
| 06:00 |  mostly sunny | 11 °C | 0.0 mm | 0 % | 12 km/h |
| 09:00 | mostly sunny | 15 °C | 0.0 mm | 1 % | 16 km/h |
| 12:00 | overcast | 18 °C | 0.0 mm | 16 % | 22 km/h |
| 15:00 | overcast | 19 °C | 0.0 mm | 37 % | 25 km/h |
| 18:00 |  light drizzle | 16 °C | 0.1 mm | 53 % | 22 km/h |
| 21:00 | light drizzle | 11 °C | 0.3 mm | 89 % | 15 km/h |
Frequently asked questions
Will it rain tomorrow in Casterton?
Yes: 2.5 mm expected, probability 96 %.
How warm will it be tomorrow in Casterton?
Between 10 and 19 °C.
The weekend
This weekend in Casterton: Saturday drizzle, 6 to 14 °C, Sunday overcast, 6 to 14 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Sat 7 Nov | drizzle | 6 °C | 14 °C | 2.1 mm | 23 km/h |
| Sun 8 Nov | overcast | 6 °C | 14 °C | 0.0 mm | 16 km/h |
Hour by hour
The next 48 hours in Casterton, hour by hour: temperature from 6 to 19 °C, 4.6 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 12:00 | overcast | 15 °C | 0.0 mm | 8 % | 13 km/h |
| 13:00 | overcast | 16 °C | 0.0 mm | 3 % | 13 km/h |
| 14:00 | overcast | 17 °C | 0.0 mm | 0 % | 14 km/h |
| 15:00 | overcast | 18 °C | 0.0 mm | 0 % | 16 km/h |
| 16:00 | overcast | 17 °C | 0.0 mm | 0 % | 18 km/h |
| 17:00 | overcast | 16 °C | 0.0 mm | 0 % | 18 km/h |
| 18:00 | overcast | 16 °C | 0.0 mm | 0 % | 17 km/h |
| 19:00 | overcast | 15 °C | 0.0 mm | 0 % | 16 km/h |
| 20:00 | overcast | 14 °C | 0.0 mm | 0 % | 12 km/h |
| 21:00 | overcast | 13 °C | 0.0 mm | 0 % | 11 km/h |
| 22:00 | partly cloudy | 13 °C | 0.0 mm | 0 % | 10 km/h |
| 23:00 | partly cloudy | 13 °C | 0.0 mm | 0 % | 10 km/h |
| 00:00 | partly cloudy | 12 °C | 0.0 mm | 0 % | 10 km/h |
| 01:00 | overcast | 11 °C | 0.0 mm | 0 % | 11 km/h |
| 02:00 | overcast | 11 °C | 0.0 mm | 0 % | 11 km/h |
| 03:00 | overcast | 10 °C | 0.0 mm | 0 % | 11 km/h |
| 04:00 | overcast | 10 °C | 0.0 mm | 0 % | 11 km/h |
| 05:00 | overcast | 11 °C | 0.0 mm | 0 % | 12 km/h |
| 06:00 | mostly sunny | 11 °C | 0.0 mm | 0 % | 12 km/h |
| 07:00 | partly cloudy | 10 °C | 0.0 mm | 0 % | 13 km/h |
| 08:00 | overcast | 12 °C | 0.0 mm | 0 % | 13 km/h |
| 09:00 | mostly sunny | 15 °C | 0.0 mm | 1 % | 16 km/h |
| 10:00 | overcast | 16 °C | 0.0 mm | 4 % | 22 km/h |
| 11:00 | overcast | 17 °C | 0.0 mm | 8 % | 23 km/h |
| 12:00 | overcast | 18 °C | 0.0 mm | 16 % | 22 km/h |
| 13:00 | overcast | 18 °C | 0.0 mm | 27 % | 24 km/h |
| 14:00 | overcast | 19 °C | 0.0 mm | 35 % | 24 km/h |
| 15:00 | overcast | 19 °C | 0.0 mm | 37 % | 25 km/h |
| 16:00 | overcast | 19 °C | 0.0 mm | 37 % | 26 km/h |
| 17:00 | light drizzle | 17 °C | 0.1 mm | 41 % | 26 km/h |
| 18:00 | light drizzle | 16 °C | 0.1 mm | 53 % | 22 km/h |
| 19:00 | light drizzle | 14 °C | 0.4 mm | 69 % | 20 km/h |
| 20:00 | light drizzle | 12 °C | 0.4 mm | 82 % | 16 km/h |
| 21:00 | light drizzle | 11 °C | 0.3 mm | 89 % | 15 km/h |
| 22:00 | drizzle | 10 °C | 0.5 mm | 94 % | 11 km/h |
| 23:00 | drizzle | 10 °C | 0.7 mm | 96 % | 11 km/h |
| 00:00 | drizzle | 9 °C | 0.8 mm | 98 % | 17 km/h |
| 01:00 | drizzle | 9 °C | 0.6 mm | 98 % | 16 km/h |
| 02:00 | drizzle | 8 °C | 0.5 mm | 94 % | 16 km/h |
| 03:00 | sunny | 8 °C | 0.0 mm | 83 % | 14 km/h |
| 04:00 | mostly sunny | 7 °C | 0.0 mm | 68 % | 12 km/h |
| 05:00 | sunny | 6 °C | 0.0 mm | 53 % | 12 km/h |
| 06:00 | mostly sunny | 6 °C | 0.0 mm | 36 % | 11 km/h |
| 07:00 | mostly sunny | 6 °C | 0.0 mm | 19 % | 11 km/h |
| 08:00 | sunny | 7 °C | 0.0 mm | 10 % | 8 km/h |
| 09:00 | mostly sunny | 10 °C | 0.0 mm | 16 % | 13 km/h |
| 10:00 | light drizzle | 11 °C | 0.1 mm | 29 % | 20 km/h |
| 11:00 | light drizzle | 12 °C | 0.1 mm | 39 % | 22 km/h |
Location of Casterton
Casterton lies at 49 m, 114 m below the average of the 189 places we cover in Victoria (163 m). That makes it the 52nd lowest of the 189. The main town, Melbourne, lies 314 km to the east. The nearest places we cover are Penola (55 km to the north-west), Hamilton (57 km to the east), Mount Gambier (61 km to the south-west) and Heywood (64 km to the south). With about 1,607 inhabitants according to GeoNames, Casterton is the 139th largest of the 189 places we cover in Victoria.
Today is 3.7 °C below the November normal (21.3 °C).
Climate of Casterton: 1991–2020 normals
In Casterton, January is typically the warmest month (up to 26.7 °C on average), while July is the coldest at 6.8 °C. August sees the most rain, with around 72 mm.
By season (average highs, 1991–2020 normals): winter 13.2 °C and 187 mm of rain, spring 18.4 °C and 168 mm, summer 25.8 °C and 103 mm, autumn 19.8 °C and 111 mm. The wettest season is winter (33 % of the annual total), the driest summer (18 %).
| Max T (°C) | Min T (°C) | Rainfall (mm) | Rainy days | |
|---|---|---|---|---|
| January | 26.7 | 14.6 | 35 | 5 |
| February | 26.6 | 14.8 | 25 | 4 |
| March | 23.8 | 13.4 | 27 | 5 |
| April | 19.7 | 11.0 | 37 | 6 |
| May | 15.9 | 9.2 | 47 | 8 |
| June | 13.4 | 7.4 | 56 | 10 |
| July | 12.7 | 6.8 | 60 | 12 |
| August | 13.5 | 7.0 | 72 | 14 |
| September | 15.5 | 8.0 | 68 | 12 |
| October | 18.3 | 9.5 | 52 | 9 |
| November | 21.3 | 11.2 | 49 | 8 |
| December | 24.0 | 12.8 | 43 | 7 |
Compared with Melbourne, the main town 314 km to the east, highs in the warmest month are 0.7 °C higher here, and the year brings 47 mm less precipitation. In no month does the average low fall below 0 °C; in 5 months the average high exceeds 20 °C (January, February, March, November and December).
Among the 189 places we cover in Victoria whose normals come from the ERA5 reanalysis, Casterton ranks 68th for summer warmth and 114th for annual precipitation. The warmest summers are in Irymple and the coolest in Falls Creek; the wettest year is in Falls Creek and the driest in Merbein.
What is the warmest month in Casterton?
The warmest month in Casterton is typically January, averaging 26.7 °C (1991–2020 normal). The coldest is July, at 6.8 °C.
How many rainy days does Casterton get per year?
Casterton sees about 101 rainy days a year, adding up to roughly 569 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Casterton?
Between January and July, the temperature gap in Casterton runs to about 19.9 °C, based on the 1991–2020 normals.