63.993°N, 145.721°W · station BIGthr · 110 years of record
63°F
HOTTEST SEP 7 SINCE 2025
forecast high · Sep 7
7-Day Forecast
NWS NDFD forecast high temperature for Delta Junction.
This Day in History
Every year's high 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 hottest on record.
Ranks
#82 / 85
warmest Sep 2 in 85 yrs of record
Warmest Sep 2 ever
72°F
set in 1942
Coolest Sep 2 ever
34°F
set in 1944
Forecast high 47°F — 82nd warmest Sep 2 of 85 years · record 72°F (1942) · warmest since 2025.
Ranks
#60 / 84
warmest Sep 3 in 84 yrs of record
Warmest Sep 3 ever
72°F
set in 1949
Coolest Sep 3 ever
41°F
set in 1980
Forecast high 55°F — 60th warmest Sep 3 of 84 years · record 72°F (1949) · warmest since 2025.
Ranks
#34 / 85
warmest Sep 4 in 85 yrs of record
Warmest Sep 4 ever
72°F
set in 1963
Coolest Sep 4 ever
37°F
set in 1980
Forecast high 61°F — 34th warmest Sep 4 of 85 years · record 72°F (1963) · warmest since 2025.
Ranks
#31 / 85
warmest Sep 5 in 85 yrs of record
Warmest Sep 5 ever
77°F
set in 1957
Coolest Sep 5 ever
39°F
set in 1960
Forecast high 60°F — 31st warmest Sep 5 of 85 years · record 77°F (1957) · warmest since 2023.
Ranks
#20 / 84
warmest Sep 6 in 84 yrs of record
Warmest Sep 6 ever
71°F
set in 1986
Coolest Sep 6 ever
38°F
set in 1952
Forecast high 62°F — 20th warmest Sep 6 of 84 years · record 71°F (1986) · warmest since 2025.
Ranks
#17 / 83
warmest Sep 7 in 83 yrs of record
Warmest Sep 7 ever
71°F
set in 1946
Coolest Sep 7 ever
36°F
set in 1952
Forecast high 63°F — 17th warmest Sep 7 of 83 years · record 71°F (1946) · warmest 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
Hot Streaks
Current run
0 days
consecutive days with a high ≥ 90°F
Longest ever
2 days
record run, ended May 29 1947
So far in 2026
0 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Delta Junction's own 1991–2020 record. Today's normal high: 58°F · forecast is +5° vs normal.
Delta Junction'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.
2026 So Far
Every day this year against Delta Junction'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 Delta Junction, coloured by temperature — 110 years of record, so heat waves read as warm streaks and cold snaps as blue.
Days Above the Mark
How many days a year hit a given high at Delta Junction — counted through Sep 7 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: 2 in 1947.
Share Card
A ready-to-share summary of Delta Junction's outlook — post it, or link this page.