Today’s Weather in the USA: December 17, 2025 Full

Stay updated with the latest USA weather today December 17, 2025, as the country experiences varied conditions from cold snaps in the North to milder temperatures in the South and West. December 2025 has been notably cooler than average nationwide, with ongoing winter patterns including potential snow in the Midwest and Northeast, rain in the Pacific Northwest, and dry conditions elsewhere. This comprehensive USA weather forecast December 17, 2025 covers major cities and regional state trends for travelers, commuters, and outdoor enthusiasts.

National Weather Overview December 17, 2025

The United States sees a mix of seasonal winter weather today. Colder air persists in the Midwest and East following recent cold waves, while the West deals with atmospheric river influences bringing rain and wind. Warmer-than-normal spots appear in parts of the Plains and South. Key highlights include high winds in the Rockies and Northwest, possible snow melt in the Midwest, and dry fire risks in some areas.

Weather by Region and State: December 17, 2025

Northeast (New York, Pennsylvania, Massachusetts)

Cool and seasonal conditions dominate the Northeast today. Expect partly cloudy skies with chances of light precipitation in some areas.

• New York City, NY: High around 45°F (7°C), low near 32°F (0°C). Partly cloudy, breezy.
• Boston, MA: Similar to NYC, highs in the low 40s°F (4-6°C). Statewide in New York and surrounding areas: Cooler than average, with potential for light snow flurries in upstate regions.

Midwest (Illinois, Michigan, Ohio)

Persistent cold air keeps the Midwest chilly, with some areas seeing snow cover from earlier storms.

• Chicago, IL: High near 38°F (3°C), low around 25°F (-4°C). Partly cloudy to cloudy. State trends in Illinois and neighboring Midwest states: Below-freezing nights common, with limited snowfall expected today.

South (Texas, Georgia, Florida)

Milder conditions prevail in the South, with dry weather favoring outdoor activities.

• Houston, TX: High around 68°F (20°C), low near 55°F (13°C). Partly sunny.
• Atlanta, GA: High in the mid-50s°F (13°C), low around 40°F (4°C). Mostly dry.
• Miami, FL: Warm and pleasant, high near 75°F (24°C), low 70°F (21°C). Partly cloudy. Southern states like Texas, Georgia, and Florida enjoy above-average warmth for mid-December.

West (California, Washington, Colorado)

Varied patterns: Rainy in the Northwest, mild in California, windy and dry in the Rockies.

• Los Angeles, CA: High around 65°F (18°C), low 50°F (10°C). Sunny to partly cloudy.
• Seattle, WA: High near 48°F (9°C), with rain likely and windy conditions. Flood watches possible in western Washington.
• Denver, CO: High in the upper 50s°F (15°C), breezy with low humidity and red flag fire warnings in effect. Western states show contrasts: Wet in the Pacific Northwest, unusually warm and dry in the Rockies.

Top Major Cities Weather Today December 17, 2025

• New York City Weather Today: 45°F high, partly cloudy.
• Los Angeles Weather Today: 65°F high, mild and sunny.
• Chicago Weather Today: 38°F high, cold and seasonal.
• Houston Weather Today: 68°F high, pleasant.
• Miami Weather Today: 75°F high, warm.
• Seattle Weather Today: 48°F high, rainy and windy.
• Denver Weather Today: Upper 50s°F high, windy with fire risk.
• Atlanta Weather Today: Mid-50s°F high, dry.

For real-time updates, check local National Weather Service alerts, especially for wind, flood, or fire risks. Bundle up in northern states and enjoy the milder South!