U.S. Daily Report: Summer 2026 is hottest on record.

East Pacific Tropical Cyclones Affecting North America Upper Air Pattern

09/07/2026, 1:29 pm EDT

East Pacific Tropical Cyclones Affecting North America Upper Air Pattern

09/07/2026, 1:29 pm EDT
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Climate Impact Company Daily Report

Issued: Wednesday September 9, 2026

Highlight: Summer 2026 is hottest on record.

Fig. 1: NOAA state rankings for meteorological summer (JUN/JUL/AUG) 2026 temperature, which nationally, is the warmest summer during the 1895-2026 period of record.

Discussion: Summer 2026 was the hottest on record in the 1895-2026 U.S. climatology. Included were the hottest summer on record for Utah, Colorado, Arizona, and New Mexico (Fig. 1). All 48 contiguous states were warmer than normal except Indiana. MUCH ABOVE normal to RECORD warm was observed in 27 states. The national rainfall ranking was in the driest third during the 132-year history (Fig. 2). Regional differences were vast ranking from top ten driest on record in Oregon and California plus South Carolina while the entire Ohio Valley was MUCH WETTER than normal.

Fig. 2: NOAA state rankings for meteorological summer (JUN/JUL/AUG) 2026 rainfall, which nationally, was in the driest third during the 1895-2026 period of record.

August 2026 was the hottest last third of meteorological summer on record (Fig. 3). California and New Mexico observed their hottest months of August on record. One third of the contiguous 48 states were MUCH ABOVE to RECORD warm. Only Indiana was cooler than normal. Indiana and Ohio observed the wettest months of August on record (Fig. 4). The entire Ohio Valley plus New Jersey was MUCH ABOVE normal rainfall during August. Texas and Oklahoma were in the top 5 driest months of August and nationally the U.S. ranked in the top third driest in the 132-year history.

Fig. 3: NOAA state rankings for August 2026 temperature, which nationally, is the warmest August during the 1895-2026 period of record.

Fig. 4: NOAA state rankings for August 2026 precipitation, which nationally, is in the driest third August during the 1895-2026 period of record.