Eureka, CA

NWS NDFD forecast high temperature for Eureka.

Every year's high on Jul 13 at Eureka. The forecast line shows where today lands; the ringed bar is the hottest on record.

The hottest and coldest ever recorded at Eureka in each calendar month, and for the whole 1886–2026 record — with the year each was set.

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

Normal high & low by month, from Eureka's own 1991–2020 record. Today's normal high: 64°F · forecast is -2° vs normal.

Eureka'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 Eureka'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 Eureka, coloured by temperature — 141 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 Eureka — counted through Jul 13 each year, so you can see whether 2026 is running hot. Pick a threshold:

No days ≥90°F yet in 2026. Normal for this point: 0. Record: 0 in 1886.

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