Weather forecast for 10 days
Iwanai, Japan

Weather forecast for the weekend

Saturday, 21. Jun

Rain
03:57

19:22
JST
Rain
25°C / 18°C
  • Wind: 17km/h SSE
  • Humidity: 75%
  • Precip. probability: 88%
  • Precipitation: 20mm
  • UV index: 5
On Saturday, in Iwanai, steady showers will keep conditions wet, with little relief.
The chance of rainfall is high, and precipitation will be moderate. The temperature will vary between a maximum of a warm 25°C and a minimum of a breezy 18°C.
On Saturday, the expected high temperature of 25°C better resembles July's average maximum than June's usual.
Sunrise will be at 03:57 and sunset at 19:22; the daylight will last for 15h and 25min.

Sunday, 22. Jun

AM Showers
03:57

19:22
JST
AM Showers
24°C / 16°C
  • Wind: 12km/h SW
  • Humidity: 70%
  • Precip. probability: 45%
  • Precipitation: 3mm
  • UV index: 8
On Sunday, in Iwanai, scattered showers may pass through in the morning.
Minimal precipitation is forecasted. The maximum temperature will be a warm 24°C, while the minimum anticipated temperature is a breezy 16°C.
On Sunday, the warmer forecast high of 24°C matches July's pattern over June's.
Sunrise will be at 03:57 and sunset at 19:22; the daylight will last for 15h and 25min.

Frequently asked questions

What is the weather forecast for Iwanai for Saturday?
On Saturday, expect rain to be steady at times, with occasional breaks.
Will it rain on Saturday?
With a probability of 88%, moderate precipitation of 20mm is forecasted on Saturday.
What will be the highest temperature on Saturday?
On Saturday, the maximum temperature will be 25°C, while the minimum temperature will be 18°C.
What is the weather forecast for Iwanai for Sunday?
On Sunday, expect intermittent showers throughout the morning hours.
Will it rain on Sunday?
On Sunday, there is a low chance of minimal precipitation in Iwanai.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature in Iwanai will be 24°C, while the minimum temperature will be 16°C.
What is the weather forecast for Iwanai for the next ten days?
In Iwanai, a combination of wet, cloud-filled and sunny weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is forecasted for Saturday, Sunday, next Wednesday through next Friday in Iwanai. Saturday, with moderate precipitation of 20mm, will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will vary between 23°C and 26°C, while the minimum temperature will range between 15°C and 18°C.
What will be the warmest and the coldest days?
With a maximum temperature of 26°C, Thursday, Friday, Monday through next Wednesday will be the warmest days. With a maximum temperature of 23°C, next Friday will be the coldest day.

Long-term weather forecast

Wed18.Jun
  • 25°C
  • 15°C
Mostly Sunny
Mostly Sunny
  • Wind: 11km/h WNW
  • Humidity: 69%
  • UV index: 8
  • Precip. probability: 5%
  • Precipitation: 0mm
  • 03:56 19:21 JST
Thu19.Jun
  • 26°C
  • 17°C
Mostly Sunny
Mostly Sunny
  • Wind: 8km/h NNW
  • Humidity: 64%
  • UV index: 8
  • Precip. probability: 6%
  • Precipitation: 0mm
  • 03:56 19:21 JST
Fri20.Jun
  • 26°C
  • 18°C
Mostly Cloudy
Mostly Cloudy
  • Wind: 8km/h NW
  • Humidity: 73%
  • UV index: 8
  • Precip. probability: 8%
  • Precipitation: 0mm
  • 03:57 19:21 JST
Sat21.Jun
  • 25°C
  • 18°C
Rain
Rain
  • Wind: 17km/h SSE
  • Humidity: 75%
  • UV index: 5
  • Precip. probability: 88%
  • Precipitation: 20mm
  • 03:57 19:22 JST
Sun22.Jun
  • 24°C
  • 16°C
AM Showers
AM Showers
  • Wind: 12km/h SW
  • Humidity: 70%
  • UV index: 8
  • Precip. probability: 45%
  • Precipitation: 3mm
  • 03:57 19:22 JST
Mon23.Jun
  • 26°C
  • 17°C
Partly Cloudy
Partly Cloudy
  • Wind: 11km/h WSW
  • Humidity: 64%
  • UV index: 8
  • Precip. probability: 13%
  • Precipitation: 0mm
  • 03:57 19:22 JST
Tue24.Jun
  • 26°C
  • 18°C
Partly Cloudy
Partly Cloudy
  • Wind: 9km/h W
  • Humidity: 65%
  • UV index: 8
  • Precip. probability: 13%
  • Precipitation: 0mm
  • 03:58 19:22 JST
Wed25.Jun
  • 26°C
  • 18°C
PM Showers
PM Showers
  • Wind: 8km/h WNW
  • Humidity: 66%
  • UV index: 7
  • Precip. probability: 30%
  • Precipitation: 2mm
  • 03:58 19:22 JST
Thu26.Jun
  • 24°C
  • 18°C
Showers
Showers
  • Wind: 8km/h WNW
  • Humidity: 75%
  • UV index: 7
  • Precip. probability: 48%
  • Precipitation: 8mm
  • 03:58 19:22 JST
Fri27.Jun
  • 23°C
  • 18°C
Showers
Showers
  • Wind: 9km/h WNW
  • Humidity: 78%
  • UV index: 7
  • Precip. probability: 50%
  • Precipitation: 5mm
  • 03:59 19:22 JST
Models point to a combination of rain-soaked, overcast and sun-filled weather is predicted.
Rainfall is predicted for Saturday, Sunday, next Wednesday through next Friday.
The variation in maximum temperature will be negligible in the forecast period ahead. The maximum temperature will vary between 23°C and 26°C, while changes in the overnight low will be also barely noticeable, as the overnight low will fall between 15°C and 18°C.
With a maximum temperature of 26°C, Thursday, Friday, Monday through next Wednesday will be the warmest days in Iwanai; next Friday will be the coldest day, with the highest temperature of 23°C.
Updated: Jun 17, 2025 @ 21:10:28 UTC
Published by: Weather Atlas | About Us
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