Tucson, AZ

NWS NDFD forecast low temperature for Tucson.

Every year's low on Jul 18 at Tucson. The forecast line shows where today lands; the ringed bar is the coldest on record.

The hottest and coldest ever recorded at Tucson in each calendar month, and for the whole 1894–2026 record — with the year each was set.

Records set or tied at Tucson so far this year — through Jul 11.

Normal low & low by month, from Tucson's own 1991–2020 record. Today's normal low: 76°F · forecast is -4° vs normal.

Tucson's observed daily low for the last six weeks — a white ring marks any day that broke or tied its daily record for that date.

Every day this year against Tucson's own record — the record low, the normal, and the full span ever seen. A shareable look at where the year stands.

Each cell is one day's low at Tucson, coloured by temperature — 133 years of record, so heat waves read as warm streaks and cold snaps as blue.

How many days a year hit a given low at Tucson — counted through Jul 18 each year, so you can see whether 2026 is running cold. Pick a threshold:

No days ≤32°F yet in 2026. Normal for this point: 15. Record: 48 in 1903.

A ready-to-share summary of Tucson's outlook — post it, or link this page.