Weather in Rochester Today

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Current temperature in Rochester: 19°C (66°F). Sunny. Today's high 21°C (70°F), low 13°C (55°F).

Live · Current ConditionsDay
19°
Sunny
RealFeel® 19°C
72%Humid
High21°
Low13°
6km/hWNWWind fromWest-North-West→↘· Max 11
Light Breeze · Gusts 21 km/h
City
00:00AM
UTC+0:00
Sunrise ·
Sunset ·

Today's Daylight Forecast

Clear sky
Fri, Sep 1110:30 AMDay
12h 42m daylight today24h view
Sunrise6:45 AMDawn 6:15 AM
Daylight remaining8h 56mNoon 1:06 PMTotal 12h 42m
Sunset7:27 PMDusk 7:57 PM
NowClear sky+18°C

Moon & Islamic Calendar

Health & Activity Advice
✅ Good for OutdoorsAQI 19 · Good

Air quality and UV are both favourable great conditions for a walk, run, or outdoor activity.

5-Day Weather Forecast

Full 15-Day Forecast

Atmospheric Details

Wind
6 km/h
WNW · Light Breeze · Max 11 km/h
Humidity
72 %
High · feels muggy
UV Index
6
High
Visibility
16 km
Excellent
Pressure
996 hPa
Low · change likely
Dew Point
13°C
Somewhat humid

Today vs Normal

21°C-3° below normal

The long-term average high for today is 24°C.

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

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

2026-08-19: 26°C26°2026-08-20: 23°C23°2026-08-21: 25°C25°2026-08-22: 27°C27°2026-08-23: 23°C23°2026-08-24: 20°C20°2026-08-25: 23°C23°2026-08-26: 26°C26°2026-08-27: 25°C25°2026-08-28: 21°C21°2026-08-29: 25°C25°2026-08-30: 23°C23°

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

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Health & Activity Advice

✅ Good for Outdoors

UV index is 6 today — moderate. Sunscreen is worth using for extended time outside, but no special precautions are needed for short trips.

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Conditions are comfortable for outdoor activity at most points during the day today.

Nearby Regional Outlook

Rochester Weather Radar

Live precipitation · Cloud cover · Wind

View live radar →

Frequently Asked Questions

What is the hottest month in Rochester?

The hottest month in Rochester is typically July, with daytime highs averaging around 27.3°C (81°F), based on 10 years of historical weather data. Overnight lows during this period average near 18.4°C (65°F).

What is the coldest month in Rochester?

The coldest month in Rochester is typically January, with overnight lows averaging around -5.6°C (22°F) and daytime highs near 0.8°C (33°F), based on 10 years of historical weather data. Freezing overnight temperatures are common during this month, so plan for icy conditions in the early morning.

Does Rochester have a rainy season?

Rochester doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. October is the wettest month on average (about 121 mm), while March is the driest (about 75 mm).

What's the best time of year to visit Rochester?

The best time to visit Rochester is typically September, when daytime highs average a comfortable 23°C (73°F). Rainfall during this window averages around 77 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Is Rochester's air quality safe right now?

As of the latest reading, Rochester's air quality index (AQI) is 19, rated "Good", based on the nearest monitoring station. Air quality is considered satisfactory, with little to no health risk.