Port St Johns weather live forecast

Today's maximum temperature in Port St Johns is expected to be 64°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 04:04 on Thursday 18th September 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

Green Motion: up to 25% off with loyalty programme

  • Become a Green Motion loyalty member for FREE
  • Save up to 25% on future car rentals + extra offers
  • Discount varies by membership tier & number of rentals
Go to Green Motion deal >>

View all Green Motion 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 Thursday 18th September 2025

Expect broken clouds in Port St Johns, South Africa with a maximum temperature of 64°F, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south.

  • 64°F maximum temperature64
    °F maximum temperature
  • 55°F minimum temperature55
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 11 mph from the South11
    mph wind from S

Back to top

Port St Johns weather for Friday 19th September 2025

Expect mostly cloudy with light rain in Port St Johns, South Africa with a maximum temperature of 64°F, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 15 mph from the north-east.

  • 64°F maximum temperature64
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 15 mph from the North-East15
    mph wind from NE

Back to top

Port St Johns weather for Saturday 20th September 2025

Expect isolated thunderstorms in Port St Johns, South Africa with a maximum temperature of 75°F, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a moderate breeze of 16 mph from the north-east.

  • 75°F maximum temperature75
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 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
  • Moderate breeze of 16 mph from the North-East16
    mph wind from NE

Back to top

Port St Johns weather for Sunday 21st September 2025

Expect isolated thunderstorms in Port St Johns, South Africa with a maximum temperature of 72°F, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a gentle breeze of 9 mph from the south-west.

  • 72°F maximum temperature72
    °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 6 (High)6
    UV index (High)
  • 30% chance of some rain30
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 9 mph from the South-West9
    mph wind from SW

Back to top

Port St Johns weather for Monday 22nd September 2025

Expect isolated thunderstorms in Port St Johns, South Africa with a maximum temperature of 73°F, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain 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
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 42% chance of some rain42
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    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 holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^