Riverside climate

Riverside Weather in October

NOAA 1991-2020 normals for Sunbury, 17.6 km from Riverside

Average highs run from 70°F on October 1 to 57°F on October 31, and lows from 46°F to 36°F. Normal precipitation for the month is 3.92 in over about 11 wet days.

October day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Riverside, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
64°F
Average low
40°F
Precipitation
3.92 in
Snowfall
0.2 in
Record high
86°FOct 2, 2019
Record low
23°FOct 19, 2015
Chance of a freeze
89%
Daylight
11 h 45 min to 10 h 27 min
Cloud cover
65%
Humidity
78%
Dew point
43°F
Wind
4.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Oct 170°F46°F82°F 201936°F 201733%0%
Oct 269°F45°F86°F 201937°F 200934%0%
Oct 369°F45°F79°F 201338°F 201034%0%
Oct 469°F44°F82°F 202335°F 200834%0%
Oct 568°F44°F81°F 201334°F 201434%0%
Oct 668°F44°F76°F 201335°F 201134%0%
Oct 767°F43°F81°F 201830°F 200834%0%
Oct 867°F43°F77°F 201735°F 200834%0%
Oct 967°F43°F78°F 201132°F 202234%0%
Oct 1066°F42°F79°F 201834°F 201034%0%
Oct 1166°F42°F75°F 201032°F 202434%0%
Oct 1265°F42°F75°F 201333°F 200934%0%
Oct 1365°F41°F76°F 202426°F 201234%0%
Oct 1465°F41°F79°F 200831°F 200934%0%
Oct 1564°F41°F82°F 202131°F 200934%0%
Oct 1664°F40°F74°F 200832°F 200934%0%
Oct 1763°F40°F74°F 201630°F 202434%0%
Oct 1863°F40°F79°F 201629°F 200834%0%
Oct 1962°F39°F79°F 201623°F 201534%0%
Oct 2062°F39°F79°F 201625°F 200833%1%
Oct 2162°F39°F84°F 201730°F 201833%1%
Oct 2261°F38°F80°F 202035°F 201033%1%
Oct 2361°F38°F76°F 202425°F 200833%1%
Oct 2460°F38°F73°F 201729°F 200833%1%
Oct 2560°F38°F74°F 202328°F 202433%1%
Oct 2660°F37°F76°F 202330°F 201333%1%
Oct 2759°F37°F74°F 202330°F 202432%1%
Oct 2859°F37°F77°F 201427°F 202432%1%
Oct 2958°F36°F67°F 201430°F 201332%1%
Oct 3058°F36°F75°F 201627°F 201132%1%
Oct 3157°F36°F76°F 202427°F 201132%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Riverside, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

October 1
sunrise 7:03 AM, sunset 6:48 PM
October 31
sunrise 7:36 AM, sunset 6:03 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00368668 (Sunbury), public domain. Records: NOAA GHCN-Daily, station USC00360457, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.