Weather in Riyadh on 15 August 2026
Preliminary outlook for 15 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +44°C and nighttime around +30°C, average precipitation 0 mm, wind around 4 m/s, humidity around 11%.
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.
+37°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +30°C
Precipitation: 0 mm
Wind: 5 — 6 m/s
Humidity: 6%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +44°C | Sun hours | 13 h |
| UV index | 8 | Cloud cover (avg.) | 36% |
| Pressure (avg.) | 750 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +37°C | Dew point (avg.) | −7°C |
| Heat index (avg.) | +37°C | Wind chill (avg.) | +37°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 182° ↑ (NNE) |
Sunrise
05:28
Duration
12 h 59 min
Sunset
18:27
Moonrise
22:30
Moonset
11:23
Moon phase
Last Quarter
Illumination
51%
+38°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +32°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 14%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +45°C | Sun hours | 13 h |
| UV index | 9 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 752 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +38°C | Dew point (avg.) | +5°C |
| Heat index (avg.) | +38°C | Wind chill (avg.) | +38°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 86° ↗ (ENE) |
Sunrise
05:28
Duration
12 h 59 min
Sunset
18:27
Moonrise
14:59
Moonset
00:30
Moon phase
Waxing Gibbous
Illumination
71%
+38°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +32°C
Precipitation: 0 mm
Wind: 3 — 5 m/s
Humidity: 10%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +44°C | Sun hours | 13 h |
| UV index | 9 | Cloud cover (avg.) | 3% |
| Pressure (avg.) | 752 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +37°C | Dew point (avg.) | +1°C |
| Heat index (avg.) | +37°C | Wind chill (avg.) | +38°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 68° ↑ (NNE) |
Sunrise
05:27
Duration
13 h 00 min
Sunset
18:27
Moonrise
04:19
Moonset
18:10
Moon phase
New Moon
Illumination
0%
+37°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +29°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 10%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +44°C | Sun hours | 13 h |
| UV index | 9 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 750 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +36°C | Dew point (avg.) | +2°C |
| Heat index (avg.) | +36°C | Wind chill (avg.) | +37°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 140° ↑ (NNE) |
Sunrise
05:28
Duration
12 h 59 min
Sunset
18:27
Moonrise
21:02
Moonset
08:40
Moon phase
Waning Gibbous
Illumination
76%
+38°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +30°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 12%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +44°C | Sun hours | 13 h |
| UV index | 9 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 751 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +37°C | Dew point (avg.) | +3°C |
| Heat index (avg.) | +37°C | Wind chill (avg.) | +38°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 92° ↗ (NE) |
Sunrise
05:28
Duration
12 h 59 min
Sunset
18:27
Moonrise
11:57
Moonset
23:15
Moon phase
First Quarter
Illumination
47%
+36°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +28°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 12%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +43°C | Sun hours | 13 h |
| UV index | 9 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 749 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +34°C | Dew point (avg.) | +1°C |
| Heat index (avg.) | +34°C | Wind chill (avg.) | +35°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 170° ↑ (N) |
Sunrise
05:28
Duration
12 h 59 min
Sunset
18:27
Moonrise
01:30
Moonset
15:33
Moon phase
Waning Crescent
Illumination
16%
+37°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
Nighttime: +30°C
Precipitation: 0 mm
Wind: 6 — 8 m/s
Humidity: 12%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +44°C | Sun hours | 13 h |
| UV index | 9 | Cloud cover (avg.) | 10% |
| Pressure (avg.) | 753 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +36°C | Dew point (avg.) | +2°C |
| Heat index (avg.) | +36°C | Wind chill (avg.) | +36°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 171° ↑ (NNE) |
Sunrise
05:27
Duration
13 h 00 min
Sunset
18:27
Moonrise
18:39
Moonset
05:07
Moon phase
Full Moon
Illumination
100%
Weather in Riyadh on 15 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+44°C
|
+30°C
|
+37°C | 13 h | 8 | 6% | 5 — 6 m/s |
| 2024 |
+45°C
|
+32°C
|
+38°C | 13 h | 9 | 14% | 4 — 6 m/s |
| 2023 |
+44°C
|
+32°C
|
+38°C | 13 h | 9 | 10% | 3 — 5 m/s |
| 2022 |
+44°C
|
+29°C
|
+37°C | 13 h | 9 | 10% | 4 — 5 m/s |
| 2021 |
+44°C
|
+30°C
|
+38°C | 13 h | 9 | 12% | 4 — 6 m/s |
| 2020 |
+43°C
|
+28°C
|
+36°C | 13 h | 9 | 12% | 4 — 5 m/s |
| 2019 |
+44°C
|
+30°C
|
+37°C | 13 h | 9 | 12% | 6 — 8 m/s |