Weather in Constantine - 14-day forecast

Detailed weather forecast for Constantine, Algeria: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Constantine

today🌤️ 33°💧 1.2 mm

Sun☀️ 34°💧 1.1 mm

Mon☀️ 35°night 25°

Tue☀️ 36°💧 0.3 mm

Wed🌧️ 36°💧 0.6 mm

Thu🌧️ 27°💧 1.2 mm

Fri🌧️ 25°💧 0.1 mm

Sat🌧️ 27°💧 0.2 mm

Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Friday 11 Sept in Constantine, the forecast high is 25°C. Typical daytime temperatures at this time of year range from 27°C to 35°C, so it will be exceptionally cool. It is cooler than 94% of similar days.

Saturday 5 Sept

33°Cnear normal

usually 28°C–35°C

night: exceptionally warm rain: typical rainfall wind: stronger than usual

Sunday 6 Sept

34°Cwarmer than usual

usually 28°C–35°C

warmer than 72% of similar days

night: exceptionally warm rain: typical rainfall wind: stronger than usual

Monday 7 Sept

35°Cwarmer than usual

usually 28°C–35°C

warmer than 79% of similar days

night: exceptionally warm rain: less rain than usual wind: exceptionally strong

Tuesday 8 Sept

36°Cwarmer than usual

usually 27°C–35°C

warmer than 85% of similar days

night: exceptionally warm rain: typical rainfall wind: typical

Wednesday 9 Sept

36°Cwarmer than usual

usually 27°C–35°C

warmer than 87% of similar days

night: exceptionally warm rain: typical rainfall wind: typical

Thursday 10 Sept

27°Ccooler than usual

usually 27°C–35°C

cooler than 84% of similar days

night: warmer than usual rain: typical rainfall wind: stronger than usual

Friday 11 Sept

25°Cexceptionally cool

usually 27°C–35°C

cooler than 94% of similar days

night: warmer than usual rain: typical rainfall wind: exceptionally strong

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →

cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 32°C by day. The coolest year was 2019 (27°C) and the warmest was 2008 (38°C). The current forecast averages 32°C - close to the historical median.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.

14-day forecast - Constantine

Constantine - 14-day weather forecast infographic

Constantine 30 & 45-day weather - long-range outlook

Next 16 days · forecast

31°

around 23° at night · days with rain: 8

Weeks 3-4 · avg for September

30°

around 15° at night · rain chance 19%

Weeks 5-7 · avg for October

26°

around 12° at night · rain chance 23%

The 30 & 45-day outlook for Constantine: the next 16 days are a numerical forecast updated daily - on average 31° by day and 23° at night. Further out we rely on multi-year climate averages: around 30° in September, and about 26° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Constantine

Saturday5 September 2026

🌤️33°scattered clouds

sunrise 06:08 · sunset 18:56 · night 22° · evening 32° · rain 1.2 mm · humidity 20% · wind 6 m/s · clouds 33%

Sunday6 September 2026

☀️34°clear sky

sunrise 06:08 · sunset 18:55 · night 25° · evening 33° · rain 1.08 mm · humidity 13% · wind 6 m/s · clouds 34%

Monday7 September 2026

☀️35°clear sky

sunrise 06:09 · sunset 18:53 · night 25° · evening 31° · humidity 15% · wind 8 m/s · clouds 1%

Tuesday8 September 2026

☀️36°clear sky

sunrise 06:10 · sunset 18:52 · night 27° · evening 30° · rain 0.33 mm · humidity 14% · wind 6 m/s · clouds 2%

Wednesday9 September 2026

🌧️36°light rain

sunrise 06:11 · sunset 18:51 · night 25° · evening 27° · rain 0.59 mm · humidity 16% · wind 6 m/s · clouds 32%

Thursday10 September 2026

🌧️27°light rain

sunrise 06:12 · sunset 18:49 · night 20° · evening 22° · rain 1.2 mm · humidity 49% · wind 7 m/s · clouds 55%

Friday11 September 2026

🌧️25°light rain

sunrise 06:12 · sunset 18:48 · night 19° · evening 20° · rain 0.12 mm · humidity 45% · wind 9 m/s · clouds 29%

Saturday12 September 2026

🌧️27°light rain

sunrise 06:13 · sunset 18:46 · night 21° · evening 23° · rain 0.15 mm · humidity 36% · wind 7 m/s · clouds 7%

Sunday13 September 2026

☀️28°clear sky

sunrise 06:14 · sunset 18:45 · night 22° · evening 24° · rain 1.38 mm · humidity 36% · wind 4 m/s · clouds 16%

Monday14 September 2026

☀️33°clear sky

sunrise 06:15 · sunset 18:43 · night 26° · evening 27° · rain 21 mm · humidity 21% · wind 5 m/s · clouds 53%

Tuesday15 September 2026

🌧️36°light rain

sunrise 06:15 · sunset 18:42 · night 24° · evening 28° · rain 0.48 mm · humidity 19% · wind 4 m/s · clouds 1%

Wednesday16 September 2026

🌧️32°light rain

sunrise 06:16 · sunset 18:40 · night 22° · evening 24° · rain 1.89 mm · humidity 28% · wind 10 m/s · clouds 45%

Thursday17 September 2026

🌧️28°light rain

sunrise 06:17 · sunset 18:39 · night 21° · evening 24° · rain 0.69 mm · humidity 35% · wind 7 m/s · clouds 51%

Friday18 September 2026

🌧️28°light rain

sunrise 06:18 · sunset 18:37 · night 22° · evening 23° · rain 2.13 mm · humidity 37% · wind 7 m/s · clouds 84%

Saturday19 September 2026

☁️30°overcast clouds

sunrise 06:19 · sunset 18:36 · night 24° · evening 26° · rain 1.95 mm · humidity 26% · wind 4 m/s · clouds 99%

Sunday20 September 2026

🌧️32°light rain

sunrise 06:19 · sunset 18:34 · night 27° · evening 27° · rain 0.16 mm · humidity 25% · wind 4 m/s · clouds 53%

UV index in Constantine - is it safe to sunbathe?

Today the UV index in Constantine is 8 (high) - unprotected fair skin can burn in about 25 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.

Air quality and smog in Constantine

Air quality in Constantine is currently very good. Fine particulate PM2.5: 7.1 µg/m³, PM10: 12.8 µg/m³.

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Constantine	7.1	12.8	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 02:00).

Constantine weather through the year

Warmest, driest months on average: April, May, June, September.

Nearby and related places

BatnaSetifSouk AhrasBejaiaHammametTebessaOranBlidaBiskraSidi Bel Abbès

FAQ - Constantine weather

What is the weather like in Constantine today?

Today it is about 33° during the day and 22° at night, scattered clouds.

How far ahead can I check the forecast for Constantine?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.