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Weather in Moonta Bay
South Australia, 8 m · continuously updated
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Temperature · last 4 and next 28 hours
Moonta Bay weather: the next 24 hours
Updated hourly.
Moonta Bay 14-day forecast
Two-week trend.
Sun and golden hours
Sunrise –, golden light until –
Sunset –, golden light from –
–
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 Moonta Bay
Neighbouring towns, as the crow flies.
Today in Moonta Bay
- Very high UV index: 8.7 around 13:00. Stay in the shade between 12:00 and 18:00. Fair skin burns in about 23 minutes: avoid exposure, cover up and use SPF 50. How it is calculated
- Best time to air the house: between 15:00 and 18:00. The outdoor dew point drops to 7.2 °C; once warmed to 20 °C, that air holds only 43 % 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 50 % humidity, 18.4 °C and wind at 11.2 km/h, a load of cotton washing dries in about 4 h. How it is calculated
- Garden: barely 0 mm of rain in 48 h against a need of about 10.1 mm. Water tomorrow, between 6:00 and 9:00, while it is cool: allow about 10 L/m². How it is calculated
- Terrace and barbecue between 18:00 and 23:00: dry, wind at 12 km/h, 16 °C at 8 pm. A lovely evening. How it is calculated
- Starry sky tomorrow, between 3:00 and 5:00: 27 % average cloud cover tonight, 2 h of clear sky in a row, moon at 14 % (waning crescent). A good night to look up. 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 Moonta Bay
Today (Thursday 5 Nov) in Moonta Bay: overcast, 11 to 19 °C, precipitation 0.0 mm (0 %), wind up to 16 km/h. Tomorrow: overcast, 10 to 21 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | overcast | 11 °C | 19 °C | 0.0 mm | 16 km/h |
| Tomorrow | overcast | 10 °C | 21 °C | 0.0 mm | 23 km/h |
| Sat 7 Nov | overcast | 10 °C | 18 °C | 0.0 mm | 25 km/h |
| Sun 8 Nov | overcast | 10 °C | 23 °C | 0.0 mm | 24 km/h |
| Mon 9 Nov | light drizzle | 15 °C | 25 °C | 0.3 mm | 20 km/h |
| Tue 10 Nov | partly cloudy | 14 °C | 24 °C | 0.0 mm | 31 km/h |
| Wed 11 Nov | partly cloudy | 13 °C | 17 °C | 0.0 mm | 31 km/h |
Tomorrow's weather in Moonta Bay
Tomorrow, Friday 6 Nov, in Moonta Bay: overcast, from 10 to 21 °C, 0.0 mm of precipitation (probability 4 %), wind up to 23 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  mostly sunny | 12 °C | 0.0 mm | 0 % | 5 km/h |
| 03:00 | sunny | 11 °C | 0.0 mm | 0 % | 4 km/h |
| 06:00 | sunny | 10 °C | 0.0 mm | 0 % | 4 km/h |
| 09:00 | sunny | 18 °C | 0.0 mm | 0 % | 3 km/h |
| 12:00 |  overcast | 20 °C | 0.0 mm | 0 % | 12 km/h |
| 15:00 | mostly sunny | 21 °C | 0.0 mm | 0 % | 20 km/h |
| 18:00 | sunny | 20 °C | 0.0 mm | 0 % | 23 km/h |
| 21:00 |  partly cloudy | 17 °C | 0.0 mm | 1 % | 22 km/h |
Frequently asked questions
Will it rain tomorrow in Moonta Bay?
No significant rain expected (0.0 mm forecast).
How warm will it be tomorrow in Moonta Bay?
Between 10 and 21 °C.
The weekend
This weekend in Moonta Bay: Saturday overcast, 10 to 18 °C, Sunday overcast, 10 to 23 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Sat 7 Nov | overcast | 10 °C | 18 °C | 0.0 mm | 25 km/h |
| Sun 8 Nov | overcast | 10 °C | 23 °C | 0.0 mm | 24 km/h |
Hour by hour
The next 48 hours in Moonta Bay, hour by hour: temperature from 10 to 21 °C, 0.0 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 12:00 | sunny | 18 °C | 0.0 mm | 0 % | 11 km/h |
| 13:00 | sunny | 19 °C | 0.0 mm | 0 % | 13 km/h |
| 14:00 | sunny | 19 °C | 0.0 mm | 0 % | 15 km/h |
| 15:00 | sunny | 19 °C | 0.0 mm | 0 % | 16 km/h |
| 16:00 | sunny | 19 °C | 0.0 mm | 0 % | 16 km/h |
| 17:00 | sunny | 19 °C | 0.0 mm | 0 % | 15 km/h |
| 18:00 | sunny | 18 °C | 0.0 mm | 0 % | 15 km/h |
| 19:00 | sunny | 17 °C | 0.0 mm | 0 % | 14 km/h |
| 20:00 | sunny | 16 °C | 0.0 mm | 0 % | 11 km/h |
| 21:00 | sunny | 14 °C | 0.0 mm | 0 % | 11 km/h |
| 22:00 | mostly sunny | 13 °C | 0.0 mm | 0 % | 9 km/h |
| 23:00 | mostly sunny | 13 °C | 0.0 mm | 0 % | 6 km/h |
| 00:00 | mostly sunny | 12 °C | 0.0 mm | 0 % | 5 km/h |
| 01:00 | mostly sunny | 12 °C | 0.0 mm | 0 % | 5 km/h |
| 02:00 | mostly sunny | 11 °C | 0.0 mm | 0 % | 5 km/h |
| 03:00 | sunny | 11 °C | 0.0 mm | 0 % | 4 km/h |
| 04:00 | sunny | 10 °C | 0.0 mm | 0 % | 4 km/h |
| 05:00 | sunny | 10 °C | 0.0 mm | 0 % | 4 km/h |
| 06:00 | sunny | 10 °C | 0.0 mm | 0 % | 4 km/h |
| 07:00 | sunny | 13 °C | 0.0 mm | 0 % | 6 km/h |
| 08:00 | sunny | 17 °C | 0.0 mm | 0 % | 4 km/h |
| 09:00 | sunny | 18 °C | 0.0 mm | 0 % | 3 km/h |
| 10:00 | sunny | 19 °C | 0.0 mm | 0 % | 8 km/h |
| 11:00 | overcast | 20 °C | 0.0 mm | 0 % | 10 km/h |
| 12:00 | overcast | 20 °C | 0.0 mm | 0 % | 12 km/h |
| 13:00 | sunny | 21 °C | 0.0 mm | 0 % | 14 km/h |
| 14:00 | mostly sunny | 21 °C | 0.0 mm | 0 % | 16 km/h |
| 15:00 | mostly sunny | 21 °C | 0.0 mm | 0 % | 20 km/h |
| 16:00 | sunny | 21 °C | 0.0 mm | 0 % | 19 km/h |
| 17:00 | sunny | 20 °C | 0.0 mm | 0 % | 20 km/h |
| 18:00 | sunny | 20 °C | 0.0 mm | 0 % | 23 km/h |
| 19:00 | sunny | 18 °C | 0.0 mm | 0 % | 23 km/h |
| 20:00 | mostly sunny | 17 °C | 0.0 mm | 0 % | 21 km/h |
| 21:00 | partly cloudy | 17 °C | 0.0 mm | 1 % | 22 km/h |
| 22:00 | partly cloudy | 16 °C | 0.0 mm | 2 % | 22 km/h |
| 23:00 | overcast | 16 °C | 0.0 mm | 4 % | 21 km/h |
| 00:00 | overcast | 15 °C | 0.0 mm | 7 % | 22 km/h |
| 01:00 | partly cloudy | 13 °C | 0.0 mm | 8 % | 19 km/h |
| 02:00 | overcast | 13 °C | 0.0 mm | 6 % | 21 km/h |
| 03:00 | mostly sunny | 12 °C | 0.0 mm | 2 % | 22 km/h |
| 04:00 | mostly sunny | 11 °C | 0.0 mm | 0 % | 19 km/h |
| 05:00 | mostly sunny | 11 °C | 0.0 mm | 0 % | 17 km/h |
| 06:00 | partly cloudy | 10 °C | 0.0 mm | 1 % | 15 km/h |
| 07:00 | sunny | 12 °C | 0.0 mm | 2 % | 14 km/h |
| 08:00 | mostly sunny | 14 °C | 0.0 mm | 2 % | 19 km/h |
| 09:00 | mostly sunny | 15 °C | 0.0 mm | 1 % | 22 km/h |
| 10:00 | partly cloudy | 16 °C | 0.0 mm | 0 % | 24 km/h |
| 11:00 | mostly sunny | 17 °C | 0.0 mm | 0 % | 23 km/h |
Location of Moonta Bay
Moonta Bay lies at 8 m, 126 m below the average of the 112 places we cover in South Australia (134 m). That makes it the 10th lowest of the 112. The main town, Adelaide, lies 136 km to the south-east. The nearest places we cover are Wallaroo (14 km to the north-east), Kadina (17 km to the north-east), Maitland, South Australia (37 km to the south) and Ardrossan (53 km to the south-east). With about 2,279 inhabitants according to GeoNames, Moonta Bay is the 57th largest of the 112 places we cover in South Australia.
Today is 4.5 °C below the November normal (23.4 °C).
Climate of Moonta Bay: 1991–2020 normals
In Moonta Bay, January is typically the warmest month (up to 27.5 °C on average), while July is the coldest at 9.4 °C. June sees the most rain, with around 45 mm.
By season (average highs, 1991–2020 normals): winter 14.7 °C and 120 mm of rain, spring 20.4 °C and 91 mm, summer 26.7 °C and 57 mm, autumn 21.3 °C and 79 mm. The wettest season is winter (35 % of the annual total), the driest summer (16 %).
| Max T (°C) | Min T (°C) | Rainfall (mm) | Rainy days | |
|---|---|---|---|---|
| January | 27.5 | 18.5 | 18 | 3 |
| February | 27.3 | 18.6 | 17 | 2 |
| March | 24.7 | 17.0 | 14 | 3 |
| April | 21.5 | 14.6 | 28 | 4 |
| May | 17.8 | 12.3 | 36 | 6 |
| June | 14.9 | 10.1 | 45 | 8 |
| July | 14.2 | 9.4 | 39 | 8 |
| August | 15.0 | 9.7 | 36 | 8 |
| September | 17.4 | 11.2 | 39 | 7 |
| October | 20.4 | 12.9 | 29 | 5 |
| November | 23.4 | 15.1 | 23 | 4 |
| December | 25.4 | 16.9 | 22 | 4 |
Compared with Adelaide, the main town 136 km to the south-east, highs in the warmest month are 1.0 °C higher here, and the year brings 142 mm less precipitation. In no month does the average low fall below 0 °C; in 7 months the average high exceeds 20 °C (January, February, March, April, October, November and December).
Nearby places with normals of their own (from another station or reanalysis grid cell) compare as follows: Wallaroo (14 km to the north-east): summers 1.5 °C warmer and as wet; Maitland, South Australia (37 km to the south): summers 0.3 °C warmer and 9 mm drier a year. Among the 112 places we cover in South Australia whose normals come from the ERA5 reanalysis, Moonta Bay ranks 56th for summer warmth and 81st for annual precipitation. The warmest summers are in Coober Pedy and the coolest in Robe; the wettest year is in Millicent and the driest in Coober Pedy.
What is the warmest month in Moonta Bay?
The warmest month in Moonta Bay is typically January, averaging 27.5 °C (1991–2020 normal). The coldest is July, at 9.4 °C.
How many rainy days does Moonta Bay get per year?
Moonta Bay sees about 63 rainy days a year, adding up to roughly 347 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Moonta Bay?
Between January and July, the temperature gap in Moonta Bay runs to about 18.1 °C, based on the 1991–2020 normals.