Weather in Cairo on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +38°C and nighttime around +24°C, average precipitation 0 mm, wind around 4 m/s, humidity around 47%.
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.
+31°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +25°C
Precipitation: 0 mm
Wind: 6 — 9 m/s
Humidity: 43%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +40°C | Sun hours | 13 h |
| UV index | 8 | Cloud cover (avg.) | 6% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +31°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 21° ↑ (NNE) |
Sunrise
06:24
Duration
13 h 09 min
Sunset
19:33
Moonrise
01:02
Moonset
16:03
Moon phase
Last Quarter
Illumination
29%
+32°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +25°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 40%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +39°C | Sun hours | 13 h |
| UV index | 8 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 754 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +32°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 301° ↙ (WSW) |
Sunrise
06:24
Duration
13 h 09 min
Sunset
19:33
Moonrise
18:57
Moonset
04:29
Moon phase
Waxing Gibbous
Illumination
93%
+30°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 49%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +38°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 1% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 259° ↖ (NNW) |
Sunrise
06:24
Duration
13 h 10 min
Sunset
19:34
Moonrise
07:58
Moonset
20:53
Moon phase
Waxing Crescent
Illumination
9%
+31°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +22°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 47%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +40°C | Sun hours | 13 h |
| UV index | 8 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 754 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 171° ↖ (NNW) |
Sunrise
05:24
Duration
13 h 09 min
Sunset
18:33
Moonrise
22:40
Moonset
11:44
Moon phase
Waning Gibbous
Illumination
54%
+30°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 41%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +37°C | Sun hours | 13 h |
| UV index | 8 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 260° ↖ (NNW) |
Sunrise
05:24
Duration
13 h 09 min
Sunset
18:33
Moonrise
15:32
Moonset
00:47
Moon phase
Waxing Gibbous
Illumination
69%
+30°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 5 — 7 m/s
Humidity: 52%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +38°C | Sun hours | 13 h |
| UV index | 8 | Cloud cover (avg.) | 3% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +31°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 333° ↖ (NW) |
Sunrise
05:24
Duration
13 h 09 min
Sunset
18:33
Moonrise
04:20
Moonset
18:25
Moon phase
New Moon
Illumination
0%
+28°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
Nighttime: +22°C
Precipitation: 0 mm
Wind: 5 — 8 m/s
Humidity: 56%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +36°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 15% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 277° ↖ (NW) |
Sunrise
05:24
Duration
13 h 09 min
Sunset
18:33
Moonrise
20:29
Moonset
07:42
Moon phase
Waning Gibbous
Illumination
78%
Weather in Cairo on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+40°C
|
+25°C
|
+31°C | 13 h | 8 | 43% | 6 — 9 m/s |
| 2024 |
+39°C
|
+25°C
|
+32°C | 13 h | 8 | 40% | 3 — 4 m/s |
| 2023 |
+38°C
|
+23°C
|
+30°C | 13 h | 7 | 49% | 4 — 5 m/s |
| 2022 |
+40°C
|
+22°C
|
+31°C | 13 h | 8 | 47% | 4 — 5 m/s |
| 2021 |
+37°C
|
+24°C
|
+30°C | 13 h | 8 | 41% | 4 — 5 m/s |
| 2020 |
+38°C
|
+24°C
|
+30°C | 13 h | 8 | 52% | 5 — 7 m/s |
| 2019 |
+36°C
|
+22°C
|
+28°C | 13 h | 7 | 56% | 5 — 8 m/s |