World Resorts Italy Ischia Weather

Ischia 7 Days Forecast

25.08
tue
Day
82°F
NW 12 mph
Precip.
7%
Night
82°F
N 3 mph
Precip.
9%
26.08
wed
Day
81°F
N 4 mph
Precip.
9%
Night
82°F
W 2 mph
Precip.
5%
27.08
thu
Day
82°F
N 10 mph
Precip.
6%
Night
84°F
N 2 mph
Precip.
5%
28.08
fri
Day
84°F
NW 6 mph
Precip.
12%
Night
84°F
N 5 mph
Precip.
6%
29.08
sat
Day
82°F
SE 14 mph
Precip.
17%
Night
81°F
E 14 mph
Precip.
6%
30.08
sun
Day
79°F
NE 4 mph
Precip.
5%
Night
81°F
SE 6 mph
Precip.
3%
31.08
mon
Day
81°F
NW 2 mph
Precip.
3%
Night
81°F
E 6 mph
Precip.
4%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 85.5°F. The highest and lowest sea temperatures during the month were 86.2°F and 84.7°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 78.5°F. The highest and lowest sea temperatures during the month were 80.1°F and 75.9°F.

Air temperature in Ischia, °F

Precipitation total in Ischia, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Ischia

Sunniest months:
July 28 days
August 27 days
June 26 days
Warmest months:
August 82.3 °F
July 81.5 °F
September 77.0 °F
Warmest sea temp:
August 80.8 °F
July 79.6 °F
September 77.2 °F
Coldest months:
January 55.1 °F
February 55.4 °F
March 57.4 °F
Rainiest months:
November 8 days
January 6 days
December 5 days
Windiest months:
January 12.1 mph
February 11.4 mph
November 11.4 mph

Ischia on a weather map

Ischia
+84°F
NE 5 mph
Feels like: +91°F
Precip.: 8%
Places in Italy:
Name
°F
+88°F
+86°F
+75°F
+81°F
+73°F
+84°F
+93°F
+88°F
+81°F
+77°F
+93°F
+79°F
+86°F
+82°F
24 Hours Forecast
Ischia
Local time: 16:59
August 25, tuesday
1800
84°F
NE
5 mph
2100
82°F
N
6 mph
August 26, wednesday
0000
82°F
N
3 mph
0300
82°F
NW
2 mph
0600
81°F
W
2 mph
0900
81°F
NW
4 mph
1200
81°F
N
4 mph
1500
82°F
NE
7 mph
Units of measurement: °C / °F