Frost Advisory Issued for Coos and Northern Oxford Counties, Colder Nights Ahead
Frost Advisory Issued for Coos and Northern Oxford Counties, Colder Nights Ahead
US · Published Sep 15, 2026
• A Frost Advisory has been issued for Coos County, New Hampshire, and northern Oxford County, Maine, effective from 2:00 AM to 8:00 AM EDT on Tuesday, September 15,
• Temperatures are expected to drop into the mid-30s in these areas, creating conditions favorable for frost formation. Monday will bring breezy conditions with northwest winds of 10-15 mph, gusting up to 30 mph in the afternoon. Highs will reach around 70°F (21°C), with clearing skies after possible early morning rain showers. The week ahead is expected to be quiet, with highs in the 60s and 70s and colder nights.

Impact & Risks

The Frost Advisory poses a risk to sensitive vegetation in Coos and northern Oxford Counties, particularly in areas north of Route 2. Residents should take precautions to protect plants from frost damage. Breezy conditions on Monday may also cause minor disruptions, especially for outdoor activities. Drivers should be cautious of potential slick spots during early morning hours.

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