Tomorrow's Weather Forecast - Karaj

Tomorrow's weather in Karaj. high 29°C (84°F), low 17°C (63°F). Partly Cloudy.

Tomorrow’s Outlook

Tomorrow brings a similar temperature to today. Expect pleasant, mostly clear skies with little chance of rain. Humidity sits at a moderate 43%, so the air shouldn't feel unusually damp or dry. A light breeze near 19 km/h is expected. Sunrise is at 5:46 AM and sunset at 6:17 PM, for about 12h 32m of daylight.

Tomorrow
29°/ 17°
Today30° / 16°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon22°
Rain probability
18%
Wind speed
11 km/h
AfternoonNoon – 6 PM28°
Rain probability
0%
Wind speed
19 km/h
Evening6 PM – Midn24°
Rain probability
5%
Wind speed
10 km/h
NightMidn – 6 AM18°
Rain probability
8%
Wind speed
10 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep
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Temperature · peaks at +29°C

Planning Advice for Tomorrow

Clothing
Light layers work well; a jacket for the evening.
Outdoor
Good conditions for outdoor activities.
Travel
Standard travel conditions expected.

Sunrise & Sunset

Sunrise
Dawn 5:16 AM
Total Daylight
Full day forecastSolar noon 12:01 PM
Sunset
Dusk 6:47 PM
vs today-2 min daylight
Sunrise shift1 min later
Sunset shift2 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Karaj is forecast to reach a high of 29°C tomorrow, with an overnight low around 17°C. That's 7° above the long-term average high of 22°C for this time of year. It continues a recent pattern — 19 of the last 19 days with published data have run warmer than normal. Expect a low chance of rain (18% probability) and a gentle breeze averaging 19 km/h. Air quality is currently Unhealthy for Sensitive Groups (AQI 124), driven mainly by O₃ at 168 μg/m³.

Today vs Normal

30°C+7° above normal

The long-term average high for today is 23°C.

19 of the last 19 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

2026-08-19: 33°C33°2026-08-20: 32°C32°2026-08-21: 30°C30°2026-08-22: 30°C30°2026-08-23: 31°C31°2026-08-24: 32°C32°2026-08-25: 31°C31°2026-08-26: 30°C30°2026-08-27: 30°C30°2026-08-28: 29°C29°2026-08-29: 29°C29°2026-08-30: 28°C28°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Unhealthy for Sensitive Groups

Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.