Weather in Santa Cruz on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +25°C and nighttime around +21°C, average precipitation 0 mm, wind around 4 m/s, humidity around 78%.
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.
+22°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +20°C
Precipitation: 0 mm
Wind: 6 — 6 m/s
Humidity: 82%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 3% |
| Pressure (avg.) | 766 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 185° ↑ (NNE) |
Sunrise
07:33
Duration
13 h 15 min
Sunset
20:48
Moonrise
01:49
Moonset
17:07
Moon phase
Last Quarter
Illumination
29%
+23°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +22°C
Sea temperature: +16°C
Precipitation: 0 mm
Wind: 6 — 7 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 4% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +16°C |
| Feels like (avg.) | +27°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 182° ↑ (N) |
Sunrise
07:33
Duration
13 h 15 min
Sunset
20:48
Moonrise
20:18
Moonset
05:42
Moon phase
Waxing Gibbous
Illumination
93%
+24°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +22°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 101° ↗ (NE) |
Sunrise
07:32
Duration
13 h 17 min
Sunset
20:49
Moonrise
09:32
Moonset
22:19
Moon phase
Waxing Crescent
Illumination
9%
+21°C
Weather archive — for 2022 year
Cloudy
Weather archive — for 2022 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 5 — 6 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 10 h |
| UV index | 5 | Cloud cover (avg.) | 79% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 23° ↑ (NNE) |
Sunrise
07:32
Duration
13 h 17 min
Sunset
20:49
Moonrise
00:21
Moonset
14:15
Moon phase
Last Quarter
Illumination
54%
+23°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 1% |
| Pressure (avg.) | 767 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 12° ↑ (NNE) |
Sunrise
07:33
Duration
13 h 16 min
Sunset
20:49
Moonrise
17:35
Moonset
02:37
Moon phase
Waxing Gibbous
Illumination
69%
+23°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +20°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 3% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 20° ↗ (NE) |
Sunrise
07:33
Duration
13 h 15 min
Sunset
20:48
Moonrise
06:35
Moonset
20:46
Moon phase
New Moon
Illumination
0%
Weather in Santa Cruz on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+24°C
|
+20°C
|
+22°C | 13 h | 6 | 82% | 6 — 6 m/s |
| 2024 |
+25°C
|
+22°C
|
+23°C | 13 h | 6 | 83% | 6 — 7 m/s |
| 2023 |
+26°C
|
+22°C
|
+24°C | 13 h | 6 | 74% | 2 — 3 m/s |
| 2022 |
+23°C
|
+19°C
|
+21°C | 10 h | 5 | 72% | 5 — 6 m/s |
| 2021 |
+25°C
|
+21°C
|
+23°C | 13 h | 6 | 77% | 3 — 4 m/s |
| 2020 |
+26°C
|
+20°C
|
+23°C | 13 h | 6 | 79% | 3 — 4 m/s |