Port St Johns weather live forecast

Today's maximum temperature in Port St Johns is expected to be 72°F. Select a day from the live weather forecast for Port St Johns, South Africa for more weather parameters.

5-day weather forecast updated at 04:03 on Friday 15th August 2025 GMT

More about Port St Johns

Port St Johns by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Africa

KLM: Low fares on long haul from £386 return

  • Save on return flights to worldwide destinations
  • Book flights to Abu Dhabi, Jo'burg, Tokyo & more
  • Plus more flights to the Americas, Middle East & Europe
Go to KLM deal >>

View all KLM offers

The 5-day weather forecast for South Africa (Port St Johns) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Port St Johns weather forecast by day

Below are the detailed weather forecasts for Port St Johns for the next 5 days.

Port St Johns weather for Friday 15th August 2025

Expect isolated thunderstorms in Port St Johns, South Africa with a maximum temperature of 72°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a gentle breeze of 8 mph from the north-east.

  • 72°F maximum temperature72
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 28% chance of some rain28
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 72°F wind chill72
    °F wind chill
  • Gentle breeze of 8 mph from the North-East8
    mph wind from NE

Back to top

Port St Johns weather for Saturday 16th August 2025

Expect isolated thunderstorms in Port St Johns, South Africa with a maximum temperature of 73°F, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 76% chance of some rain and a gentle breeze of 9 mph from the north.

  • 73°F maximum temperature73
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 76% chance of some rain76
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 73°F wind chill73
    °F wind chill
  • Gentle breeze of 9 mph from the North9
    mph wind from N

Back to top

Port St Johns weather for Sunday 17th August 2025

Expect isolated thunderstorms in Port St Johns, South Africa with a maximum temperature of 70°F, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a gentle breeze of 11 mph from the east.

  • 70°F maximum temperature70
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 15% chance of some rain15
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 11 mph from the East11
    mph wind from E

Back to top

Port St Johns weather for Monday 18th August 2025

Expect broken clouds in Port St Johns, South Africa with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the east.

  • 79°F maximum temperature79
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 8 mph from the East8
    mph wind from E

Back to top

Port St Johns weather for Tuesday 19th August 2025

Expect broken clouds in Port St Johns, South Africa with a maximum temperature of 73°F, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-west.

  • 73°F maximum temperature73
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 73°F wind chill73
    °F wind chill
  • Gentle breeze of 11 mph from the South-West11
    mph wind from SW

Back to top

KAYAK: Explore destinations from the UK

  • Explore top offers on direct flights from the UK
  • Filter destinations by price, trip type, flight time & more
  • Choose a destination to see cheapest fares & airlines
Go to KAYAK deal >>

View all KAYAK offers

Metric (°C)  |  Imperial (°F)

Back to top

More about South Africa

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^