Italy / Tre Fontane / 17 August

Weather in Tre Fontane on 17 August 2026

Preliminary outlook for 17 August 2026

A preliminary estimate based on the 2020–2025 archive: daytime around +31°C and nighttime around +25°C, average precipitation 0 mm, wind around 4 m/s, humidity around 64%.

This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.

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18 August →
+26°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +24°C Precipitation: 0 mm Wind: 5 — 6 m/s Humidity: 71%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 6%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +28°C Dew point (avg.) +21°C
Heat index (avg.) +28°C Wind chill (avg.) +26°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 240° ← (WNW)
Sunrise
06:27
Duration
13 h 32 min
Sunset
19:59
Moonrise
Does not rise today
Moonset
15:10
Moon phase
Last Quarter
Illumination
37%
+29°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +27°C Sea temperature: +27°C Precipitation: 0 mm Wind: 3 — 5 m/s
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 16%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature +27°C
Feels like (avg.) +31°C Dew point (avg.) +18°C
Heat index (avg.) +31°C Wind chill (avg.) +30°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 253° ↖ (NNW)
Sunrise
06:27
Duration
13 h 32 min
Sunset
19:59
Moonrise
18:52
Moonset
03:18
Moon phase
Waxing Gibbous
Illumination
86%
+27°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +24°C Precipitation: 0 mm Wind: 3 — 6 m/s Humidity: 55%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 0%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +28°C Dew point (avg.) +16°C
Heat index (avg.) +28°C Wind chill (avg.) +27°C
Wind gusts (max.) 10 m/s Wind direction (avg.) 176° ← (WNW)
Sunrise
06:26
Duration
13 h 34 min
Sunset
20:00
Moonrise
07:27
Moonset
20:59
Moon phase
Waxing Crescent
Illumination
1%
+30°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +27°C Precipitation: 0 mm Wind: 4 — 6 m/s Humidity: 63%
MetricValue MetricValue
Day temperature (max.) +36°C Sun hours 13 h
UV index 8 Cloud cover (avg.) 7%
Pressure (avg.) 759 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +33°C Dew point (avg.) +22°C
Heat index (avg.) +33°C Wind chill (avg.) +30°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 142° ↘ (SSE)
Sunrise
06:27
Duration
13 h 32 min
Sunset
19:59
Moonrise
23:13
Moonset
12:14
Moon phase
Waning Gibbous
Illumination
61%
+27°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +25°C Precipitation: 0 mm Wind: 4 — 5 m/s Humidity: 70%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 6%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +30°C Dew point (avg.) +21°C
Heat index (avg.) +30°C Wind chill (avg.) +28°C
Wind gusts (max.) 10 m/s Wind direction (avg.) 220° ↙ (WSW)
Sunrise
06:27
Duration
13 h 32 min
Sunset
19:59
Moonrise
15:37
Moonset
00:34
Moon phase
First Quarter
Illumination
61%
+27°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +24°C Precipitation: 0 mm Wind: 4 — 5 m/s Humidity: 68%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 9%
Pressure (avg.) 759 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +29°C Dew point (avg.) +21°C
Heat index (avg.) +29°C Wind chill (avg.) +27°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 255° ↙ (WSW)
Sunrise
06:27
Duration
13 h 32 min
Sunset
19:59
Moonrise
04:19
Moonset
19:16
Moon phase
Waning Crescent
Illumination
1%

Weather in Tre Fontane on 17 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +29°C +24°C +26°C 13 h 7 71% 5 — 6 m/s
2024 +32°C +27°C +29°C 13 h 7 56% 3 — 5 m/s
2023 +30°C +24°C +27°C 13 h 7 55% 3 — 6 m/s
2022 +36°C +27°C +30°C 13 h 8 63% 4 — 6 m/s
2021 +30°C +25°C +27°C 13 h 7 70% 4 — 5 m/s
2020 +30°C +24°C +27°C 13 h 7 68% 4 — 5 m/s