Janesville/S Wisconsin Rgnl
Weather station · 42.6°N 89.0°W · 244 m above sea level
ICAO KJVLStation data since 1987
Record high
35.0°C
in 2017
Record low
−2.2°C
in 1995
Average high
21.3°C
all years on record
22.0°C short of the record for 23 September
Today’s high 13.0°C against 35.0°C in 2017. A reading that beats it is flagged here automatically, once a second cycle confirms it.
All-time record high
39.4°C
- Date
- Friday, 6 July 2012
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Janesville/S Wisconsin Rgnl, United States
- Position
- 42.62°N 89.04°W · 244 m
Highest highest in available records since 1987. Source: NOAA GHCN-Daily.
All-time record low
−35.0°C
- Date
- Saturday, 3 February 1996
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Janesville/S Wisconsin Rgnl, United States
- Position
- 42.62°N 89.04°W · 244 m
Highest and lowest lowest in available records since 1987. Source: NOAA GHCN-Daily.
Where Janesville/S Wisconsin Rgnl is
42.62°N 89.04°W
Janesville/S Wisconsin Rgnl
Ground · satellite
Land surface temperature for 2026-09-22, from NASA GIBS. This is the temperature of the ground seen from orbit, not the air, and it is never ranked against air readings. Cloud hides the ground, so gaps are unread rather than guessed.
View more on Google Maps- 1
Janesville/S Wisconsin Rgnl has dropped below freezing on 5402 nights since 1987. The desert remembers every one of them.
From our dataNights with a minimum below 0°C since 1987. - 2
Today is colder than 56% of all days recorded here since 1987.
From our dataToday's high against every day recorded at this station since 1987. - 3
Right now Davis Lgb 46 Aws is 82.2°C colder than Janesville/S Wisconsin Rgnl. Same planet. Same afternoon.
From our dataBoth readings are live and ranked on this site now. - 4
The coldest night Janesville/S Wisconsin Rgnl has ever recorded, −35.0°C, would pass for a warm spell at Davis Lgb 46 Aws, which is −69.2°C right now.
From our dataThis station's record low against the current live reading at Davis Lgb 46 Aws.
New facts every day. Report an error.
Every year on record
1987 to 2026
Annual average · °C
Trend over 38 years with data: +0.21 °C per decade
Source: NOAA GHCN-Daily. Years the station did not cover are left as gaps, never joined across. The dashed line is a least squares trend through the years that have data.
Records by month
Jan
15.6°
−34.4°
Feb
23.3°
−35.0°
Mar
28.3°
−24.4°
Apr
31.7°
−9.4°
May
35.6°
−2.8°
Jun
38.3°
2.2°
Jul
39.4°
7.2°
Aug
38.9°
6.1°
Sep
35.6°
Recent days
| Day | High | At | Low | At |
|---|---|---|---|---|
| 2026-09-23 | 13.0°C | 00:45 UTC | 10.0°C | 05:15 UTC |
| 2026-09-22 | 17.0°C | 18:45 UTC | 12.0°C | 15:45 UTC |
Nearby stations
Data sources for this page
| Figure | Source | Type |
|---|---|---|
| Right now, today so far | NOAA Aviation Weather Center (METAR) and NOAA NWS WMO bulletins (SYNOP) | Measured, station |
| All-time, monthly and on-this-day records | NOAA NCEI Global Historical Climatology Network daily (GHCN-Daily), 1987 to 2026 | Measured, station |
| Nearby stations and distances | Computed from station positions in our own database | Calculated |