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Idaho · THREADEX · 1915–2026

Jerome, ID

42.727°N, 114.455°W · station JERthr · 112 years of record
84°F
forecast high · Sep 1

7-Day Forecast

NWS NDFD forecast high temperature for Jerome.
84°TUE9/175°WED9/276°THU9/374°FRI9/479°SAT9/577°SUN9/673°MON9/7

This Day in History

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

Ranks

#63 / 105
warmest Sep 1 in 105 yrs of record

Warmest Sep 1 ever

99°F
set in 1916

Coolest Sep 1 ever

55°F
set in 1973
Forecast high 84°F — 63rd warmest Sep 1 of 105 years · record 99°F (1916) · warmest since 2025.
1916: 99°F1918: 84°F1919: 82°F1920: 73°F1922: 74°F1923: 91°F1924: 94°F1925: 88°F1926: 68°F1927: 79°F1928: 86°F1929: 94°F1930: 78°F1931: 82°F1932: 74°F1933: 82°F1934: 89°F1935: 87°F1936: 85°F1937: 85°F1938: 88°F1939: 85°F1940: 95°F1941: 89°F1942: 86°F1943: 89°F1944: 92°F1945: 94°F1946: 92°F1947: 91°F1948: 90°F1949: 95°F1951: 79°F1952: 78°F1954: 92°F1955: 96°F1956: 78°F1957: 81°F1958: 88°F1959: 77°F1960: 89°F1961: 79°F1962: 80°F1963: 81°F1964: 72°F1965: 86°F1966: 72°F1967: 98°F1968: 87°F1969: 94°F1970: 82°F1971: 83°F1972: 88°F1973: 55°F1974: 88°F1975: 70°F1976: 93°F1977: 77°F1978: 82°F1979: 82°F1980: 74°F1981: 90°F1982: 85°F1983: 94°F1984: 93°F1985: 81°F1986: 77°F1987: 99°F1988: 90°F1989: 79°F1990: 85°F1991: 87°F1992: 87°F1993: 84°F1994: 87°F1995: 96°F1996: 98°F1997: 89°F1998: 92°F1999: 64°F2001: 89°F2002: 81°F2003: 83°F2004: 94°F2005: 82°F2006: 80°F2007: 89°F2008: 68°F2009: 87°F2010: 74°F2011: 73°F2012: 87°F2013: 95°F2014: 74°F2015: 87°F2016: 89°F2017: 85°F2018: 80°F2019: 94°F2020: 71°F2021: 79°F2022: 94°F2023: 83°F2024: 89°F2025: 94°F84° forecast556065707580859095100192019301940196019701980199020102020
📖 Jerome's full Climate Almanac →

The Numbers

Forecast high · Sep 184°F
Hottest this date since2025
This-date record99°F
This-date rank#63 of 105
Hottest at any time since2026
All-time record110°F (1940)
Odds to tie/break0.0% (daily)
Period of record1915–2026

Record Book

The hottest and coldest ever recorded at Jerome in each calendar month, and for the whole 1915–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan61°FJan 25, 1953-25°FJan 21, 1937
Feb69°FFeb 20, 1981-24°FFeb 9, 1933
Mar79°FMar 21, 1928-1°FMar 1, 1993
Apr90°FApr 28, 193912°FApr 1, 1936
May99°FMay 28, 200319°FMay 1, 1953
Jun110°FJun 19, 194026°FJun 18, 1928
Jul108°FJul 28, 193435°FJul 14, 1983
Aug107°FAug 12, 194032°FAug 31, 2006
Sep102°FSep 5, 195521°FSep 25, 1926
Oct94°FOct 1, 19928°FOct 30, 2019
Nov76°FNov 4, 1931-10°FNov 16, 1955
Dec67°FDec 10, 1939-24°FDec 22, 1990
All-time110°FJun 19, 1940-25°FJan 21, 1937

2026 Records So Far

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

Record Highs in 2026

4 broke
plus 1 tied — daily record highs set this year
Monthly high record this year: Mar (79°F)

Record Lows in 2026

0 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

74°F
record high minimum — the night it never cooled · Jul 25, 2026

Coldest high ever

-3°F
record low maximum — the day it never warmed · Dec 22, 1990
MonthWarmest lowColdest high
Jan47°FJan 1, 19972°FJan 12, 1963
Feb43°FFeb 20, 19683°FFeb 9, 1933
Mar49°FMar 25, 202623°FMar 13, 1917
Apr58°FApr 23, 201230°FApr 1, 1936
May68°FMay 24, 192943°FMay 6, 1965
Jun71°FJun 28, 197348°FJun 6, 1932
Jul74°FJul 25, 202662°FJul 17, 1987
Aug71°FAug 11, 196953°FAug 20, 1968
Sep66°FSep 2, 196744°FSep 30, 1982
Oct60°FOct 1, 201124°FOct 31, 2002
Nov49°FNov 14, 19679°FNov 29, 2015
Dec45°FDec 10, 1929-3°FDec 22, 1990
All-time74°FJul 25, 2026-3°FDec 22, 1990

Hot Streaks

Current run

0 days
consecutive days with a high ≥ 90°F

Longest ever

45 days
record run, ended Aug 22 1994

So far in 2026

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

Climate Normals

Normal high & low by month, from Jerome's own 1991–2020 record. Today's normal high: 83°F · forecast is +1° vs normal.
Jan: 36°FJan: 21°FFeb: 41°FFeb: 24°FMar: 52°FMar: 30°FApr: 60°FApr: 35°FMay: 69°FMay: 43°FJun: 79°FJun: 50°FJul: 90°FJul: 57°FAug: 88°FAug: 55°FSep: 77°FSep: 47°FOct: 63°FOct: 37°FNov: 47°FNov: 28°FDec: 36°FDec: 21°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:02 AM
Sunset6:13 PM
Solar noon11:37 AM
Daylight13h 10m · losing 19 min/wk
Local standard time (no DST), level horizon.

Location

42.73°N, 114.45°W

Nearby Stations

Burley, ID37 mi EPocatello, ID96 mi EStanley, ID102 mi NBoise, ID107 mi NWChallis, ID124 mi NElko, NV148 mi SW

The Last 6 Weeks

Jerome'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.
Jerome, ID — last six weeks of daily high

2026 So Far

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

Every Day Since 1915

Each cell is one day's high at Jerome, coloured by temperature — 112 years of record, so heat waves read as warm streaks and cold snaps as blue.
Jerome, ID daily high heat map 1915–2026

Days Above the Mark

How many days a year hit a given high at Jerome — counted through Sep 1 each year, so you can see whether 2026 is running hot. Pick a threshold:
40 days ≥90°F so far in 2026 — tied for the 65th most in 112 years. Normal for this point: 42. Record: 72 in 1940.

Share Card

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