Weather in Fortaleza on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +33°C and nighttime around +19°C, average precipitation 0 mm, wind around 2 m/s, humidity around 59%.
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.
+25°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +19°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
Humidity: 60%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 14% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 101° → (ESE) |
Sunrise
05:49
Duration
12 h 01 min
Sunset
17:50
Moonrise
01:28
Moonset
13:42
Moon phase
Last Quarter
Illumination
29%
+25°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 64%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 11% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 80° → (ESE) |
Sunrise
05:49
Duration
12 h 01 min
Sunset
17:50
Moonrise
16:59
Moonset
04:40
Moon phase
Waxing Gibbous
Illumination
93%
+25°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 58%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 104° → (ESE) |
Sunrise
05:49
Duration
12 h 01 min
Sunset
17:50
Moonrise
07:21
Moonset
19:36
Moon phase
Waxing Crescent
Illumination
9%
+25°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 56%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 16% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 110° → (ESE) |
Sunrise
05:49
Duration
12 h 01 min
Sunset
17:50
Moonrise
23:32
Moonset
10:58
Moon phase
Waning Gibbous
Illumination
54%
+26°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
Humidity: 60%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 19% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 110° → (ESE) |
Sunrise
05:49
Duration
12 h 01 min
Sunset
17:50
Moonrise
14:20
Moonset
02:02
Moon phase
Waxing Gibbous
Illumination
69%
+25°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 54%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 3% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 101° → (ESE) |
Sunrise
05:49
Duration
12 h 01 min
Sunset
17:50
Moonrise
05:19
Moonset
17:37
Moon phase
New Moon
Illumination
0%
+26°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
Humidity: 58%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 8% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 126° → (ESE) |
Sunrise
05:49
Duration
12 h 01 min
Sunset
17:50
Moonrise
20:17
Moonset
07:58
Moon phase
Waning Gibbous
Illumination
78%
Weather in Fortaleza on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+35°C
|
+19°C
|
+25°C | 12 h | 7 | 60% | 2 — 4 m/s |
| 2024 |
+35°C
|
+17°C
|
+25°C | 12 h | 6 | 64% | 2 — 3 m/s |
| 2023 |
+33°C
|
+19°C
|
+25°C | 12 h | 7 | 58% | 3 — 4 m/s |
| 2022 |
+32°C
|
+19°C
|
+25°C | 12 h | 7 | 56% | 3 — 4 m/s |
| 2021 |
+33°C
|
+19°C
|
+26°C | 12 h | 7 | 60% | 2 — 4 m/s |
| 2020 |
+33°C
|
+19°C
|
+25°C | 12 h | 6 | 54% | 3 — 4 m/s |
| 2019 |
+32°C
|
+19°C
|
+26°C | 12 h | 7 | 58% | 2 — 4 m/s |