Live Weather & Forecast
Weather in Koster
North West, South Africa · Real-time conditions & 3-day outlook
17°C
Feels like 17°C
63°F / Feels 63°F
Clear
Koster, North West
🌙 Nighttime
Updated: 2026-04-15 19:30
Humidity
82%
Wind
5.8 km/h E
Wind Gust
9.2 km/h
Pressure
1017 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
16%
Dew Point
13.9°C
Wind Degree
84°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
106.9 μg/m³
NO₂
2.3 μg/m³
O₃
77 μg/m³
SO₂
4.3 μg/m³
PM 2.5
6.1 μg/m³
PM 10
6.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for Koster, North West
12 AM
19°
Clear
1 AM
19°
Clear
2 AM
18°
Partly Cloudy
3 AM
18°
Clear
4 AM
18°
Patchy rain nearby
5 AM
18°
Partly Cloudy
6 AM
18°
Patchy rain nearby
7 AM
18°
Partly Cloudy
8 AM
18°
Partly Cloudy
9 AM
19°
Partly Cloudy
10 AM
19°
Patchy rain nearby
11 AM
23°
Patchy rain nearby
12 PM
23°
Patchy light drizzle
1 PM
21°
Patchy rain nearby
2 PM
19°
Patchy light drizzle
3 PM
18°
Patchy light drizzle
4 PM
18°
Patchy light drizzle
5 PM
17°
Patchy light drizzle
6 PM
17°
Patchy rain nearby
7 PM
17°
Clear
8 PM
17°
Clear
9 PM
17°
Clear
10 PM
16°
Clear
11 PM
16°
Clear
3-Day Forecast
Daily overview for Koster, North West
Today
Patchy rain nearby
23°
/
16°
🌧️ 87% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 23.8 km/h
🌧️ Total precip: 1.8 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:26 AM
🌇 Sunset: 05:56 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
26°
/
15°
🌧️ 89% chance of rain
💧 Avg. humidity: 66%
💨 Max wind: 15.1 km/h
🌧️ Total precip: 2.18 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:27 AM
🌇 Sunset: 05:55 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Patchy rain nearby
27°
/
17°
🌧️ 88% chance of rain
💧 Avg. humidity: 66%
💨 Max wind: 24.1 km/h
🌧️ Total precip: 2.9 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:27 AM
🌇 Sunset: 05:54 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Koster
Plan your trip to Koster, South Africa around the most favorable weather conditions.
Peak Season
December – March
Southern hemisphere summer — warm and generally dry.
Shoulder Season
April – May, November
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Cooler winter months; indoor activities preferred.
Frequently Asked Questions
What is the current weather in Koster?
Current conditions in Koster: Clear, temperature 17°C, humidity 82%.
What is the best time to visit Koster?
The best time to visit Koster is typically December – March. Southern hemisphere summer — warm and generally dry.
What is the climate like in Koster?
Koster is located at approximately -25.9° latitude. It experiences a temperate southern hemisphere climate.
Does it rain a lot in Koster?
The wettest period in Koster is typically during June – September. Cooler winter months; indoor activities preferred.
What should I pack for a trip to Koster?
For visits to Koster during December – March: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Koster in?
Koster is located in South Africa, in the state of North West.
What are the public holidays in Koster in 2026?
View the 2026 public holidays for Koster on our Holidays page.
What are the GPS coordinates used for the weather forecast in Koster?
The weather forecast for Koster uses coordinates -25.8594, 26.8972.