57.155°N, 170.223°W · station SNPthr · 135 years of record
46°F
COLDEST SEP 6 SINCE 2024
forecast low · Sep 6
7-Day Forecast
NWS NDFD forecast low temperature for St Paul Island.
This Day in History
Every year's low on each of the next 7 forecast dates at St Paul Island — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#110 / 111
coldest Sep 2 in 111 yrs of record
Coldest Sep 2 ever
27°F
set in 1947
Mildest Sep 2 ever
53°F
set in 2016
Forecast low 51°F — 110th coldest Sep 2 of 111 years · record 27°F (1947) · coldest since 2025.
Ranks
#107 / 111
coldest Sep 3 in 111 yrs of record
Coldest Sep 3 ever
30°F
set in 1962
Mildest Sep 3 ever
52°F
set in 2016
Forecast low 49°F — 107th coldest Sep 3 of 111 years · record 30°F (1962) · coldest since 2025.
Ranks
#100 / 111
coldest Sep 4 in 111 yrs of record
Coldest Sep 4 ever
28°F
set in 1962
Mildest Sep 4 ever
50°F
set in 1993
Forecast low 48°F — 100th coldest Sep 4 of 111 years · record 28°F (1962) · coldest since 2025.
Ranks
#91 / 110
coldest Sep 5 in 110 yrs of record
Coldest Sep 5 ever
30°F
set in 1962
Mildest Sep 5 ever
51°F
set in 2019
Forecast low 47°F — 91st coldest Sep 5 of 110 years · record 30°F (1962) · coldest since 2024.
Ranks
#79 / 110
coldest Sep 6 in 110 yrs of record
Coldest Sep 6 ever
29°F
set in 1959
Mildest Sep 6 ever
50°F
set in 2014
Forecast low 46°F — 79th coldest Sep 6 of 110 years · record 29°F (1959) · coldest since 2024.
Ranks
#80 / 110
coldest Sep 7 in 110 yrs of record
Coldest Sep 7 ever
29°F
set in 1975
Mildest Sep 7 ever
52°F
set in 2014
Forecast low 46°F — 80th coldest Sep 7 of 110 years · record 29°F (1975) · coldest since 2025.
Ranks
#83 / 110
coldest Sep 8 in 110 yrs of record
Coldest Sep 8 ever
28°F
set in 1975
Mildest Sep 8 ever
51°F
set in 2014
Forecast low 46°F — 83rd coldest Sep 8 of 110 years · record 28°F (1975) · coldest since 2025.
The hottest and coldest ever recorded at St Paul Island in each calendar month, and for the whole 1892–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
48°FJan 3, 1916
-26°FJan 27, 1919
Feb
44°FFeb 17, 1917
-16°FFeb 6, 1991
Mar
50°FMar 18, 1980
-19°FMar 14, 1971
Apr
49°FApr 28, 1993
-8°FApr 23, 1976
May
59°FMay 27, 1997
8°FMay 5, 1971
Jun
62°FJun 22, 1926
16°FJun 3, 1985
Jul
65°FJul 7, 2008
28°FJul 13, 1961
Aug
66°FAug 25, 1987
29°FAug 15, 1981
Sep
62°FSep 12, 1925
22°FSep 24, 1992
Oct
54°FOct 7, 1915
12°FOct 30, 1983
Nov
50°FNov 5, 1915
4°FNov 26, 1988
Dec
52°FDec 24, 1936
-5°FDec 30, 1916
All-time
66°FAug 25, 1987
-26°FJan 27, 1919
2026 Records So Far
Records set or tied at St Paul Island so far this year — through Aug 30.
Record Highs in 2026
0 broke
plus 1 tied — daily record highs set this year
Record Lows in 2026
1 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
54°F
record high minimum — the night it never cooled · Aug 3, 2020
Coldest high ever
-11°F
record low maximum — the day it never warmed · Jan 27, 1919
Month
Warmest low
Coldest high
Jan
42°FJan 4, 1980
-11°FJan 27, 1919
Feb
39°FFeb 10, 2025
-7°FFeb 11, 1919
Mar
38°FMar 30, 1979
-8°FMar 12, 1947
Apr
39°FApr 2, 1979
8°FApr 4, 1955
May
44°FMay 31, 2005
21°FMay 1, 1973
Jun
49°FJun 25, 2005
34°FJun 7, 1971
Jul
52°FJul 14, 2005
40°FJul 3, 1971
Aug
54°FAug 3, 2020
44°FAug 3, 1946
Sep
53°FSep 1, 2016
37°FSep 30, 1892
Oct
49°FOct 5, 2016
28°FOct 30, 1975
Nov
44°FNov 1, 1935
19°FNov 30, 1927
Dec
41°FDec 22, 1983
6°FDec 31, 1916
All-time
54°FAug 3, 2020
-11°FJan 27, 1919
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
213 days
record run, ended May 26 1919
So far in 2026
122 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from St Paul Island's own 1991–2020 record. Today's normal low: 44°F · forecast is +2° vs normal.
St Paul Island'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 St Paul Island'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 St Paul Island, coloured by temperature — 135 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 St Paul Island — counted through Sep 6 each year, so you can see whether 2026 is running cold. Pick a threshold:
122 days ≤32°F so far in 2026 — the 75th most in 135 years. Normal for this point: 105. Record: 163 in 1916.
Share Card
A ready-to-share summary of St Paul Island's outlook — post it, or link this page.
