42.545°N, 113.769°W · station BYIthr · 110 years of record
47°F
COLDEST SEP 4 SINCE 2021
forecast low · Sep 4
7-Day Forecast
NWS NDFD forecast low temperature for Burley.
This Day in History
Every year's low on each of the next 7 forecast dates at Burley — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#89 / 107
coldest Sep 2 in 107 yrs of record
Coldest Sep 2 ever
33°F
set in 1930
Mildest Sep 2 ever
67°F
set in 1954
Forecast low 54°F — 89th coldest Sep 2 of 107 years · record 33°F (1930) · coldest since 2025.
Ranks
#54 / 106
coldest Sep 3 in 106 yrs of record
Coldest Sep 3 ever
32°F
set in 2008
Mildest Sep 3 ever
64°F
set in 1945
Forecast low 48°F — 54th coldest Sep 3 of 106 years · record 32°F (2008) · coldest since 2021.
Ranks
#51 / 107
coldest Sep 4 in 107 yrs of record
Coldest Sep 4 ever
31°F
set in 1921
Mildest Sep 4 ever
62°F
set in 1990
Forecast low 47°F — 51st coldest Sep 4 of 107 years · record 31°F (1921) · coldest since 2021.
Ranks
#61 / 106
coldest Sep 5 in 106 yrs of record
Coldest Sep 5 ever
34°F
set in 1921
Mildest Sep 5 ever
65°F
set in 1998
Forecast low 48°F — 61st coldest Sep 5 of 106 years · record 34°F (1921) · coldest since 2024.
Ranks
#74 / 106
coldest Sep 6 in 106 yrs of record
Coldest Sep 6 ever
34°F
set in 1943
Mildest Sep 6 ever
65°F
set in 1963
Forecast low 51°F — 74th coldest Sep 6 of 106 years · record 34°F (1943) · coldest since 2024.
Ranks
#96 / 107
coldest Sep 7 in 107 yrs of record
Coldest Sep 7 ever
33°F
set in 1929
Mildest Sep 7 ever
65°F
set in 1991
Forecast low 52°F — 96th coldest Sep 7 of 107 years · record 33°F (1929) · coldest since 2025.
Ranks
#56 / 105
coldest Sep 8 in 105 yrs of record
Coldest Sep 8 ever
29°F
set in 1929
Mildest Sep 8 ever
64°F
set in 1998
Forecast low 47°F — 56th coldest Sep 8 of 105 years · record 29°F (1929) · coldest since 2021.
The hottest and coldest ever recorded at Burley in each calendar month, and for the whole 1917–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
64°FJan 31, 2003
-35°FJan 19, 1922
Feb
72°FFeb 24, 1995
-29°FFeb 7, 1933
Mar
80°FMar 20, 2026
-5°FMar 2, 1922
Apr
89°FApr 20, 1994
9°FApr 2, 1936
May
97°FMay 19, 1954
18°FMay 1, 1946
Jun
102°FJun 29, 1990
27°FJun 1, 1920
Jul
107°FJul 28, 1934
33°FJul 8, 1981
Aug
105°FAug 8, 1990
31°FAug 31, 1965
Sep
101°FSep 6, 2022
11°FSep 25, 1926
Oct
91°FOct 1, 1992
6°FOct 30, 2019
Nov
79°FNov 3, 1962
-14°FNov 15, 1955
Dec
68°FDec 5, 1939
-28°FDec 25, 1924
All-time
107°FJul 28, 1934
-35°FJan 19, 1922
2026 Records So Far
Records set or tied at Burley so far this year — through Aug 30.
Record Highs in 2026
6 broke
plus 3 tied — daily record highs set this year
Monthly high record this year: Mar (80°F)
Record Lows in 2026
0 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
72°F
record high minimum — the night it never cooled · Jul 19, 1922
Coldest high ever
-8°F
record low maximum — the day it never warmed · Dec 21, 1990
Month
Warmest low
Coldest high
Jan
44°FJan 7, 1948
-7°FJan 22, 1962
Feb
45°FFeb 9, 2017
2°FFeb 9, 1933
Mar
50°FMar 16, 2015
22°FMar 1, 1922
Apr
58°FApr 24, 1962
30°FApr 1, 1936
May
63°FMay 21, 1958
36°FMay 4, 1975
Jun
71°FJun 23, 1988
46°FJun 1, 1923
Jul
72°FJul 19, 1922
60°FJul 20, 1972
Aug
71°FAug 10, 2000
55°FAug 17, 1968
Sep
67°FSep 2, 1954
44°FSep 25, 1934
Oct
61°FOct 10, 2015
23°FOct 31, 2002
Nov
51°FNov 7, 2006
8°FNov 15, 1955
Dec
50°FDec 11, 1929
-8°FDec 21, 1990
All-time
72°FJul 19, 1922
-8°FDec 21, 1990
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
137 days
record run, ended Mar 30 1985
So far in 2026
73 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from Burley's own 1991–2020 record. Today's normal low: 49°F · forecast is -2° vs normal.