Riverside/March ARB
Weather station · 33.9°N 117.2°W · 454 m above sea level
ICAO KRIVWMO 72286Station data since 1949
Record high
40.6°C
in 1949
Record low
7.8°C
in 1970
Average high
32.0°C
all years on record
14.1°C short of the record for 23 September
Today’s high 26.5°C against 40.6°C in 1949. A reading that beats it is flagged here automatically, once a second cycle confirms it.
All-time record high
46.7°C
- Date
- Sunday, 6 September 2020
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Riverside/March ARB, United States
- Position
- 33.88°N 117.24°W · 454 m
Highest highest in available records since 1949. Source: NOAA GHCN-Daily.
All-time record low
−8.3°C
- Date
- Saturday, 21 December 1968
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Riverside/March ARB, United States
- Position
- 33.88°N 117.24°W · 454 m
Highest and lowest lowest in available records since 1949. Source: NOAA GHCN-Daily.
Where Riverside/March ARB is
33.88°N 117.24°W
Riverside/March ARB
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
Today is already hotter than 54% of all days recorded here since 1949.
From our dataToday's high against every day recorded at this station since 1949. - 2
Between its coldest night and its hottest day, this place has swung 55.0°C.
From our dataRecord high 46.7°C against record low −8.3°C. - 3
At 06:55 UTC this morning it was 18.8°C. By 00:55 UTC it was 26.5°C. The night never stood a chance.
From our dataToday so far at this station, in local time.
New facts every day. Report an error.
Every year on record
1949 to 2026
Annual average · °C
Trend over 36 years with data: +0.29 °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
30.0°
−7.8°
Feb
31.1°
−7.1°
Mar
37.8°
−3.9°
Apr
36.1°
−2.8°
May
39.4°
0.6°
Jun
43.9°
5.0°
Jul
44.4°
9.4°
Aug
43.3°
10.0°
Sep
46.7°
Recent days
| Day | High | At | Low | At |
|---|---|---|---|---|
| 2026-09-23 | 26.5°C | 00:55 UTC | 18.8°C | 06:55 UTC |
| 2026-09-22 | 30.1°C | 22:55 UTC | 18.5°C | 14:55 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), 1949 to 2026 | Measured, station |
| Nearby stations and distances | Computed from station positions in our own database | Calculated |