Quarterly Climate Impacts and Outlook for the Great Lakes Region for December 2025–February 2026. Dated March 2026.

Winter air temperatures ranged from 3 °C (5 °F) colder than normal to near normal for most areas. Winter precipitation ranged from 50% to 200% of normal, with high variability throughout winter. 

Quarterly Climate Impacts and Outlook for the Mid-Atlantic Region for December 2025–February 2026. Dated March 2026.

Winter temperatures were below normal for the entire region, with most locations seeing temperatures that were 2–4 degrees below normal. Most of the region was drier than normal, with drought covering much of Maryland and Virginia throughout the winter season.

Quarterly Climate Impacts and Outlook for the Gulf of Maine Region for December 2025–February 2026. Dated March 2026.

Winter featured below- to near-normal temperatures and below- to near-normal precipitation for much of the region. It was the coldest winter in over 10 years for some New England sites and the second-driest winter on record for Fredericton, N.B. Winter snowfall varied, with Boston, Massachusetts, having its ninth-snowiest winter.

Quarterly Climate Impacts and Outlook for the Northeast Region for December 2025–February 2026. Dated March 2026.

Winter was 3.3°F below normal for the Northeast, in the coldest third of all years. It was the coldest winter since 2014–15 for the region. The Northeast had its eighth-driest winter with 71% of normal precipitation. It was among the 20 driest winters for nine states.

Quarterly Climate Impacts and Outlook for the Gulf of Maine Region for September–November 2025. Dated December 2025.

Autumn featured near- to above-normal temperatures, ranking among the 10 warmest autumns for several Maritimes sites including Moncton, N.B.; Halifax, N.S.; and Summerside, P.E.I. Below- to near-normal precipitation fueled intense drought conditions that resulted in many impacts, particularly on water resources and agriculture.

Quarterly Climate Impacts and Outlook for the Northeast Region for September–November 2025. Dated December 2025.

Autumn was 0.5°F above normal in the Northeast, in the warmest third of all years. It was among the 20 warmest autumns for two of the 12 states. Autumn precipitation was 77% of normal, in the driest third of all years. It was among the 20 driest autumns for two of the 12 states.

Quarterly Climate Impacts and Outlook for the Mid-Atlantic Region for September–November 2025. Dated December 2025.

Fall temperatures were within about 2°F of normal across almost the entire region. Most areas were drier than normal, with drought or abnormal dryness present throughout the fall. Low water levels led to water restrictions and poor pasture conditions resulted in early livestock sales.

Quarterly Climate Impacts and Outlook for the Great Lakes Region for September–November 2025. Dated December 2025.

Fall air temperatures averaged out to be near or above normal. Fall was drier than normal for most areas. Dry conditions led to greater than average declines on all lakes from the start of September to the end of November. In the period of record (1900-present), Lake Michigan-Huron experienced its 8th largest decline and Lake Erie had its 13th largest decline in water levels for fall.

Quarterly Climate Impacts and Outlook for the Mid-Atlantic Region for June–August 2025. Dated September 2025.

Average temperatures for the 2025 summer season were a bit above normal (0-4 degrees) across the region. This was due to warmer than normal temperatures in late June and July followed by a cooler than normal August. Precipitation varied across the watershed,some locations saw precipitation significantly above normal in June and July then dropping to drier, below normal conditions in August.

Quarterly Climate Impacts and Outlook for the Great Lakes Region for June–August 2025. Dated September 2025.

Summer air temperature was up to 2°C (4°F) warmer than normal. Record warm June-July low temperatures were measured in 12 U.S. counties surrounding the Great Lakes. Summer precipitation ranged from 25% of normal to 200% of normal.