San Antonio, TX

NWS NDFD forecast high temperature for San Antonio.

Every year's high on Jul 19 at San Antonio. The forecast line shows where today lands; the ringed bar is the hottest on record.

The hottest and coldest ever recorded at San Antonio in each calendar month, and for the whole 1885–2026 record — with the year each was set.

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

Normal high & low by month, from San Antonio's own 1991–2020 record. Today's normal high: 96°F · forecast is -3° vs normal.

San Antonio's observed daily high 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 San Antonio's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.

Each cell is one day's high at San Antonio, coloured by temperature — 142 years of record, so heat waves read as warm streaks and cold snaps as blue.

How many days a year hit a given high at San Antonio — counted through Jul 19 each year, so you can see whether 2026 is running hot. Pick a threshold:

47 days ≥90°F so far in 2026 — tied for the 61st most in 142 years. Normal for this point: 46. Record: 79 in 1996.

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