Today | Weather | Wednesday, September 17, 2025

Weather in Syracuse, New York

05:37 AM

Now

55° F

Feels Like 55°

Precipitation 0 %

Wind 5 mph

Humidity 97 %

Today

Day 79°

Night 54°

Precipitation 3 %

Wind 8

UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Syracuse Weather Forecast Updated

42 minutes ago

Last updated on September 17, 2025 4:55 AM

Weather Forecast History

Last Year's Weather on This Day (September 17, 2024)

Day

84°

Night

57°

Wind

4 mph

UV Index

Precipitation

Air quality in Syracuse

NOW

55 AQI

Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 6.50 µg/m³

PM10 7.05 µg/m³

O₃ 22.33 ppb

NO₂ 6.51 ppb

SO₂ 0.32 ppb

CO 228.55 ppb

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

View Hourly Air Quality Forecast