Weather in Formia on 18 October 2026
Preliminary outlook for 18 October 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +20°C and nighttime around +16°C, average precipitation 0.1 mm, wind around 2 m/s, humidity around 74%.
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.
+16°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +14°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 71%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 9 h |
| UV index | 5 | Cloud cover (avg.) | 29% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +16°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +16°C | Wind chill (avg.) | +16°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 114° ↘ (SSE) |
Sunrise
07:20
Duration
11 h 00 min
Sunset
18:20
Moonrise
04:07
Moonset
16:57
Moon phase
Waning Crescent
Illumination
15%
+20°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +18°C
Sea temperature: +21°C
Precipitation: 0.6 mm
Wind: 3 — 4 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +20°C | Sun hours | 4 h |
| UV index | 4 | Cloud cover (avg.) | 81% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +21°C |
| Feels like (avg.) | +20°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 119° ↘ (SE) |
Sunrise
07:21
Duration
10 h 58 min
Sunset
18:19
Moonrise
18:35
Moonset
08:06
Moon phase
Full Moon
Illumination
100%
+19°C
Weather archive — for 2023 year
Partly Cloudy
Weather archive — for 2023 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 75%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +20°C | Sun hours | 8 h |
| UV index | 4 | Cloud cover (avg.) | 60% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 130° ↘ (SSE) |
Sunrise
07:20
Duration
11 h 01 min
Sunset
18:21
Moonrise
11:17
Moonset
20:15
Moon phase
Waxing Crescent
Illumination
23%
+20°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 7% |
| Pressure (avg.) | 770 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 228° ↙ (WSW) |
Sunrise
07:20
Duration
11 h 00 min
Sunset
18:20
Moonrise
00:05
Moonset
15:37
Moon phase
Last Quarter
Illumination
40%
+17°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +15°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 64%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +20°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 14% |
| Pressure (avg.) | 767 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +16°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +16°C | Wind chill (avg.) | +16°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 143° ↓ (SSW) |
Sunrise
07:20
Duration
11 h 00 min
Sunset
18:20
Moonrise
17:43
Moonset
04:43
Moon phase
Waxing Gibbous
Illumination
83%
+15°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +12°C
Precipitation: 0.1 mm
Wind: 2 — 3 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +17°C | Sun hours | 4 h |
| UV index | 4 | Cloud cover (avg.) | 72% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +15°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +15°C | Wind chill (avg.) | +15°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 160° → (ESE) |
Sunrise
07:21
Duration
10 h 58 min
Sunset
18:19
Moonrise
08:45
Moonset
19:29
Moon phase
Waxing Crescent
Illumination
5%
Weather in Formia on 18 October in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+19°C
|
+14°C
|
+16°C | 9 h | 5 | 71% | 2 — 3 m/s |
| 2024 |
+20°C
|
+18°C
|
+20°C | 4 h | 4 | 85% | 3 — 4 m/s |
| 2023 |
+20°C
|
+18°C
|
+19°C | 8 h | 4 | 75% | 2 — 2 m/s |
| 2022 |
+23°C
|
+17°C
|
+20°C | 11 h | 5 | 76% | 2 — 3 m/s |
| 2021 |
+20°C
|
+15°C
|
+17°C | 11 h | 5 | 64% | 2 — 3 m/s |
| 2020 |
+17°C
|
+12°C
|
+15°C | 4 h | 4 | 74% | 2 — 3 m/s |