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California · THREADEX · 1945–2026

Lancaster, CA

34.741°N, 118.213°W · station WJFthr · 82 years of record
89°F
forecast high · Sep 7

7-Day Forecast

NWS NDFD forecast high temperature for Lancaster.
87°TUE9/186°WED9/286°THU9/386°FRI9/486°SAT9/587°SUN9/689°MON9/7

This Day in History

Every year's high on each of the next 7 forecast dates at Lancaster — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.

Ranks

#70 / 80
warmest Sep 7 in 80 yrs of record

Warmest Sep 7 ever

112°F
set in 2020

Coolest Sep 7 ever

71°F
set in 1978
Forecast high 89°F — 70th warmest Sep 7 of 80 years · record 112°F (2020) · warmest since 2025.
1945: 100°F1946: 89°F1947: 93°F1948: 100°F1949: 103°F1950: 91°F1951: 101°F1952: 98°F1953: 99°F1954: 94°F1955: 109°F1956: 96°F1957: 101°F1958: 97°F1959: 96°F1960: 96°F1961: 90°F1962: 93°F1963: 95°F1964: 86°F1965: 74°F1966: 95°F1967: 92°F1968: 99°F1969: 97°F1970: 92°F1971: 93°F1972: 90°F1974: 101°F1975: 95°F1976: 89°F1977: 101°F1978: 71°F1979: 101°F1980: 90°F1981: 89°F1982: 98°F1983: 93°F1984: 100°F1985: 80°F1986: 95°F1987: 92°F1988: 100°F1989: 84°F1990: 97°F1991: 90°F1992: 90°F1993: 94°F1994: 99°F1995: 95°F1996: 88°F1997: 98°F1998: 93°F1999: 98°F2000: 87°F2001: 94°F2002: 82°F2003: 94°F2004: 97°F2005: 94°F2006: 99°F2007: 95°F2008: 103°F2009: 92°F2010: 97°F2011: 102°F2012: 93°F2013: 101°F2014: 97°F2015: 96°F2016: 94°F2017: 98°F2018: 101°F2019: 98°F2020: 112°F2021: 107°F2022: 108°F2023: 94°F2024: 107°F2025: 94°F89° forecast70758085909510010511011519501960197019801990200020102020
📖 Lancaster's full Climate Almanac →

The Numbers

Forecast high · Sep 789°F
Hottest this date since2025
This-date record112°F
This-date rank#70 of 80
Hottest at any time since2026
All-time record115°F (2013)
Odds to tie/break0.0% (daily)
Period of record1945–2026

Record Book

The hottest and coldest ever recorded at Lancaster in each calendar month, and for the whole 1945–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan80°FJan 7, 19693°FJan 14, 2007
Feb84°FFeb 13, 201411°FFeb 3, 1948
Mar95°FMar 20, 202617°FMar 4, 2002
Apr98°FApr 22, 194923°FApr 3, 1945
May106°FMay 28, 200332°FMay 1, 1967
Jun115°FJun 30, 201338°FJun 2, 1967
Jul115°FJul 7, 202445°FJul 5, 1948
Aug113°FAug 19, 195043°FAug 28, 1945
Sep113°FSep 2, 202227°FSep 26, 1948
Oct104°FOct 2, 202418°FOct 31, 2019
Nov90°FNov 1, 194912°FNov 17, 1958
Dec85°FDec 4, 19582°FDec 24, 1984
All-time115°FJun 30, 20132°FDec 24, 1984

2026 Records So Far

Records set or tied at Lancaster so far this year — through Aug 30.

Record Highs in 2026

14 broke
plus 2 tied — daily record highs set this year
Monthly high records this year: Feb (84°F), Mar (95°F)

Record Lows in 2026

2 broke
plus 1 tied — daily record lows set this year

Record Warm Nights & Cold Days

Two more daily records, kept separate from the rankings: the warmest a night has ever stayed (record high minimum) and the coldest a day has ever gotten (record low maximum) — the flip side of the usual record high and low.

Warmest low ever

86°F
record high minimum — the night it never cooled · Jul 11, 2021

Coldest high ever

29°F
record low maximum — the day it never warmed · Jan 11, 1949
MonthWarmest lowColdest high
Jan56°FJan 13, 198029°FJan 11, 1949
Feb56°FFeb 15, 198233°FFeb 8, 1989
Mar60°FMar 18, 200738°FMar 7, 1952
Apr69°FApr 20, 195045°FApr 12, 1956
May77°FMay 30, 198452°FMay 8, 1977
Jun82°FJun 23, 195458°FJun 2, 1999
Jul86°FJul 11, 202171°FJul 17, 1987
Aug81°FAug 3, 199370°FAug 15, 1976
Sep77°FSep 1, 199661°FSep 24, 1986
Oct69°FOct 4, 201250°FOct 16, 1946
Nov59°FNov 3, 198837°FNov 17, 1964
Dec57°FDec 23, 196431°FDec 21, 1984
All-time86°FJul 11, 202129°FJan 11, 1949

Hot Streaks

Current run

17 days
consecutive days with a high ≥ 90°F

Longest ever

89 days
record run, ended Sep 15 2018

So far in 2026

93 days
days with a high ≥ 90°F this year

Climate Normals

Normal high & low by month, from Lancaster's own 1991–2020 record. Today's normal high: 94°F · forecast is -5° vs normal.
Jan: 59°FJan: 31°FFeb: 61°FFeb: 35°FMar: 67°FMar: 40°FApr: 73°FApr: 45°FMay: 81°FMay: 54°FJun: 91°FJun: 62°FJul: 98°FJul: 68°FAug: 98°FAug: 65°FSep: 92°FSep: 57°FOct: 80°FOct: 46°FNov: 67°FNov: 35°FDec: 58°FDec: 30°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:26 AM
Sunset6:19 PM
Solar noon11:53 AM
Daylight12h 54m · losing 14 min/wk
Local standard time (no DST), level horizon.

Location

34.74°N, 118.21°W

Nearby Stations

Palmdale, CA10 mi SEBurbank Glendale Pasadena, CA38 mi SLos Angeles Downtown, CA46 mi SLos Angeles Airport, CA56 mi SCamarillo, CA61 mi SWLong Beach, CA64 mi S

The Last 6 Weeks

Lancaster'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.
Lancaster, CA — last six weeks of daily high

2026 So Far

Every day this year against Lancaster's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.
Lancaster, CA — 2026 daily high trace
Download year chart

Every Day Since 1945

Each cell is one day's high at Lancaster, coloured by temperature — 82 years of record, so heat waves read as warm streaks and cold snaps as blue.
Lancaster, CA daily high heat map 1945–2026

Days Above the Mark

How many days a year hit a given high at Lancaster — counted through Sep 7 each year, so you can see whether 2026 is running hot. Pick a threshold:
93 days ≥90°F so far in 2026 — tied for the 11th most in 82 years. Normal for this point: 81. Record: 103 in 2007.

Share Card

A ready-to-share summary of Lancaster's outlook — post it, or link this page.
Lancaster, CA hot share card
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