Weather in San Jose on 13 August 2026
Preliminary outlook for 13 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +33°C and nighttime around +24°C, average precipitation 0 mm, wind around 3 m/s, humidity around 54%.
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.
+29°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +25°C
Precipitation: 0 mm
Wind: 5 — 6 m/s
Humidity: 45%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 5% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 80° → (E) |
Sunrise
07:24
Duration
13 h 38 min
Sunset
21:02
Moonrise
23:08
Moonset
11:29
Moon phase
Waning Gibbous
Illumination
66%
+27°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +23°C
Sea temperature: +26°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 5% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +26°C |
| Feels like (avg.) | +28°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 219° ↓ (S) |
Sunrise
07:24
Duration
13 h 37 min
Sunset
21:01
Moonrise
16:17
Moonset
01:05
Moon phase
First Quarter
Illumination
57%
+27°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
Humidity: 69%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 113° ↘ (SE) |
Sunrise
07:23
Duration
13 h 39 min
Sunset
21:02
Moonrise
04:20
Moonset
19:51
Moon phase
Waning Crescent
Illumination
13%
+32°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +27°C
Precipitation: 0 mm
Wind: 3 — 5 m/s
Humidity: 48%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +38°C | Sun hours | 13 h |
| UV index | 8 | Cloud cover (avg.) | 28% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +35°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +35°C | Wind chill (avg.) | +32°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 230° ↙ (SW) |
Sunrise
07:24
Duration
13 h 38 min
Sunset
21:02
Moonrise
22:16
Moonset
08:27
Moon phase
Full Moon
Illumination
100%
+31°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +26°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 51%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +36°C | Sun hours | 14 h |
| UV index | 8 | Cloud cover (avg.) | 17% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +31°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 122° → (ESE) |
Sunrise
07:24
Duration
13 h 38 min
Sunset
21:02
Moonrise
12:07
Moonset
23:56
Moon phase
Waxing Crescent
Illumination
32%
+27°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +22°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 55%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 14 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.) | +26°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 230° ↓ (SSW) |
Sunrise
07:24
Duration
13 h 37 min
Sunset
21:01
Moonrise
02:11
Moonset
16:51
Moon phase
Last Quarter
Illumination
30%
Weather in San Jose on 13 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+32°C
|
+25°C
|
+29°C | 14 h | 7 | 45% | 5 — 6 m/s |
| 2024 |
+30°C
|
+23°C
|
+27°C | 14 h | 7 | 58% | 2 — 3 m/s |
| 2023 |
+30°C
|
+23°C
|
+27°C | 14 h | 7 | 69% | 2 — 4 m/s |
| 2022 |
+38°C
|
+27°C
|
+32°C | 13 h | 8 | 48% | 3 — 5 m/s |
| 2021 |
+36°C
|
+26°C
|
+31°C | 14 h | 8 | 51% | 2 — 3 m/s |
| 2020 |
+32°C
|
+22°C
|
+27°C | 14 h | 7 | 55% | 3 — 4 m/s |