Weather in Fortaleza on 17 August 2026
Preliminary outlook for 17 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +33°C and nighttime around +18°C, average precipitation 0.1 mm, wind around 3 m/s, humidity around 57%.
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
Partly Cloudy
Weather archive — latest year: 2025
Nighttime: +19°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
Humidity: 61%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 21% |
| 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.) | +16°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 95° → (ESE) |
Sunrise
05:50
Duration
12 h 00 min
Sunset
17:50
Moonrise
00:25
Moonset
12:40
Moon phase
Last Quarter
Illumination
37%
+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: 62%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 13% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 90° → (ESE) |
Sunrise
05:50
Duration
12 h 00 min
Sunset
17:50
Moonrise
15:59
Moonset
03:42
Moon phase
Waxing Gibbous
Illumination
86%
+25°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 53%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 6% |
| 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.) | +14°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 113° → (ESE) |
Sunrise
05:50
Duration
12 h 00 min
Sunset
17:50
Moonrise
06:41
Moonset
18:55
Moon phase
Waxing Crescent
Illumination
1%
+25°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 50%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 5% |
| 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.) | +13°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 117° → (ESE) |
Sunrise
05:50
Duration
12 h 00 min
Sunset
17:50
Moonrise
22:44
Moonset
10:14
Moon phase
Waning Gibbous
Illumination
61%
+25°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +19°C
Precipitation: 0.3 mm
Wind: 2 — 4 m/s
Humidity: 64%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 7 h |
| UV index | 7 | Cloud cover (avg.) | 58% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 155° → (ESE) |
Sunrise
05:50
Duration
12 h 00 min
Sunset
17:50
Moonrise
13:20
Moonset
01:01
Moon phase
First Quarter
Illumination
61%
+26°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 3 — 6 m/s
Humidity: 53%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 12 h |
| UV index | 7 | 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.) | 13 m/s | Wind direction (avg.) | 108° → (ESE) |
Sunrise
05:50
Duration
12 h 00 min
Sunset
17:50
Moonrise
04:23
Moonset
16:39
Moon phase
Waning Crescent
Illumination
1%
+25°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +19°C
Precipitation: 0.1 mm
Wind: 3 — 5 m/s
Humidity: 57%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 33% |
| 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.) | 13 m/s | Wind direction (avg.) | 120° → (ESE) |
Sunrise
05:50
Duration
12 h 00 min
Sunset
17:50
Moonrise
19:35
Moonset
07:17
Moon phase
Waxing Gibbous
Illumination
86%
Weather in Fortaleza on 17 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+32°C
|
+19°C
|
+25°C | 11 h | 7 | 61% | 2 — 4 m/s |
| 2024 |
+35°C
|
+17°C
|
+25°C | 12 h | 6 | 62% | 2 — 3 m/s |
| 2023 |
+33°C
|
+18°C
|
+25°C | 12 h | 7 | 53% | 3 — 4 m/s |
| 2022 |
+34°C
|
+18°C
|
+25°C | 12 h | 7 | 50% | 3 — 4 m/s |
| 2021 |
+32°C
|
+19°C
|
+25°C | 7 h | 7 | 64% | 2 — 4 m/s |
| 2020 |
+33°C
|
+19°C
|
+26°C | 12 h | 7 | 53% | 3 — 6 m/s |
| 2019 |
+31°C
|
+19°C
|
+25°C | 10 h | 7 | 57% | 3 — 5 m/s |