63.993°N, 145.721°W · station BIGthr · 110 years of record
31°F
COLDEST SEP 3 SINCE 1992
forecast low · Sep 3
7-Day Forecast
NWS NDFD forecast low temperature for Delta Junction.
This Day in History
Every year's low on each of the next 7 forecast dates at Delta Junction — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#17 / 84
coldest Sep 2 in 84 yrs of record
Coldest Sep 2 ever
28°F
set in 1980
Mildest Sep 2 ever
57°F
set in 2019
Forecast low 36°F — 17th coldest Sep 2 of 84 years · record 28°F (1980) · coldest since 2023.
Ranks
#6 / 84
coldest Sep 3 in 84 yrs of record
Coldest Sep 3 ever
19°F
set in 1980
Mildest Sep 3 ever
54°F
set in 1957
Forecast low 31°F — 6th coldest Sep 3 of 84 years · record 19°F (1980) · coldest since 1992.
Ranks
#49 / 84
coldest Sep 4 in 84 yrs of record
Coldest Sep 4 ever
27°F
set in 2014
Mildest Sep 4 ever
57°F
set in 1951
Forecast low 41°F — 49th coldest Sep 4 of 84 years · record 27°F (2014) · coldest since 2024.
Ranks
#66 / 84
coldest Sep 5 in 84 yrs of record
Coldest Sep 5 ever
26°F
set in 1992
Mildest Sep 5 ever
55°F
set in 1989
Forecast low 44°F — 66th coldest Sep 5 of 84 years · record 26°F (1992) · coldest since 2025.
Ranks
#63 / 83
coldest Sep 6 in 83 yrs of record
Coldest Sep 6 ever
29°F
set in 1976
Mildest Sep 6 ever
58°F
set in 1993
Forecast low 44°F — 63rd coldest Sep 6 of 83 years · record 29°F (1976) · coldest since 2025.
Ranks
#71 / 82
coldest Sep 7 in 82 yrs of record
Coldest Sep 7 ever
25°F
set in 1952
Mildest Sep 7 ever
53°F
set in 2011
Forecast low 46°F — 71st coldest Sep 7 of 82 years · record 25°F (1952) · coldest since 2023.
Ranks
#72 / 82
coldest Sep 8 in 82 yrs of record
Coldest Sep 8 ever
20°F
set in 1952
Mildest Sep 8 ever
55°F
set in 2007
Forecast low 46°F — 72nd coldest Sep 8 of 82 years · record 20°F (1952) · coldest since 2025.
The hottest and coldest ever recorded at Delta Junction in each calendar month, and for the whole 1917–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
54°FJan 16, 2009
-63°FJan 30, 1947
Feb
51°FFeb 24, 1943
-60°FFeb 2, 1947
Mar
58°FMar 18, 1981
-49°FMar 15, 1964
Apr
72°FApr 30, 1979
-37°FApr 2, 1944
May
90°FMay 28, 1947
-1°FMay 4, 1945
Jun
92°FJun 15, 1969
26°FJun 5, 2006
Jul
91°FJul 4, 1958
32°FJul 1, 1971
Aug
90°FAug 6, 1994
22°FAug 24, 1948
Sep
79°FSep 1, 1963
-2°FSep 27, 1983
Oct
74°FOct 2, 2003
-39°FOct 31, 1975
Nov
52°FNov 6, 1979
-47°FNov 27, 1986
Dec
55°FDec 11, 1985
-62°FDec 14, 1946
All-time
92°FJun 15, 1969
-63°FJan 30, 1947
2026 Records So Far
Records set or tied at Delta Junction so far this year — through Aug 30.
Record Highs in 2026
0 broke
plus 0 tied — daily record highs set this year
Record Lows in 2026
4 broke
plus 0 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
71°F
record high minimum — the night it never cooled · Aug 6, 2024
Coldest high ever
-55°F
record low maximum — the day it never warmed · Jan 6, 1975
Month
Warmest low
Coldest high
Jan
41°FJan 24, 2025
-55°FJan 6, 1975
Feb
43°FFeb 28, 1968
-39°FFeb 4, 1999
Mar
43°FMar 18, 2019
-18°FMar 30, 1944
Apr
53°FApr 29, 1979
-2°FApr 9, 2021
May
59°FMay 26, 2019
15°FMay 9, 1964
Jun
66°FJun 25, 1942
40°FJun 4, 2006
Jul
68°FJul 29, 2009
46°FJul 16, 2003
Aug
71°FAug 6, 2024
38°FAug 26, 1984
Sep
63°FSep 13, 2014
20°FSep 25, 1983
Oct
56°FOct 1, 2003
-20°FOct 31, 1975
Nov
43°FNov 27, 1956
-29°FNov 23, 1963
Dec
38°FDec 29, 1982
-54°FDec 13, 1946
All-time
71°FAug 6, 2024
-55°FJan 6, 1975
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
223 days
record run, ended Apr 29 2022
So far in 2026
116 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from Delta Junction's own 1991–2020 record. Today's normal low: 41°F · forecast is -10° vs normal.
Delta Junction'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.
2026 So Far
Every day this year against Delta Junction'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 Delta Junction, coloured by temperature — 110 years of record, so heat waves read as warm streaks and cold snaps as blue.
Days Below the Mark
How many days a year hit a given low at Delta Junction — counted through Sep 3 each year, so you can see whether 2026 is running cold. Pick a threshold:
116 days ≤32°F so far in 2026 — tied for the 65th most in 110 years. Normal for this point: 96. Record: 142 in 1964.
Share Card
A ready-to-share summary of Delta Junction's outlook — post it, or link this page.