As of 00:11 PDT

Weather in Radnor, CA

77°

Radnor, Sunday, 9 August, 00:11

Clear. Feels like 77°. High 108°, low 76°.

Pressure29.83 inHg

Wind3.7 mph W

Humidity44%

Visibility6.2 mi

Dew point53°

See detailed hourly forecast

Monthly outlook for Radnor, CA: average high 100.2°, average low 66°. That is 1.6° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 0 days and 0.0 inches. The warmest day looks like 11 August (109.1°), the coolest 18 August (59°).

100.2°/66°

Average high / low

+1.6°

Above normal

0 / 0

Wet days / normal

0.0 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
9 August – 18 August	100.1°	98.3°	+1°
19 August – 28 August	100.4°	96°	+2.5°
29 August – 7 September	at normal	96°	—

August records over 66 years

113.5°16 August 2020All-time high

57.6°23 August 1960All-time low

Climate normals and records are computed from the nearest reference point — McFarland (11 mi).

Mon, 10106° / 77°

106 °

Radnor, Monday, 10 August

Overcast. High 106°, low 77°.

Pressure29.80 inHg

Wind6.4 mph W

Humidity12%

Visibility6.2 mi

Dew point44°

Tue, 11109° / 75°

109 °

Radnor, Tuesday, 11 August

Overcast. High 109°, low 75°.

Pressure29.83 inHg

Wind5.1 mph W

Humidity12%

Visibility6.2 mi

Dew point40°

Wed, 12103° / 73°

0.01

103 °

Radnor, Wednesday, 12 August

Light rain. High 103°, low 73°.

Pressure29.77 inHg

Wind6.7 mph W

Humidity12%

Visibility6.2 mi

Dew point39°

Thu, 13101° / 66°

101 °

Radnor, Thursday, 13 August

Clear. High 101°, low 66°.

Pressure29.74 inHg

Wind17.4 mph W

Humidity14%

Visibility—

Dew point39°

Fri, 14101° / 60°

101 °

Radnor, Friday, 14 August

Clear. High 101°, low 60°.

Pressure29.83 inHg

Wind20.3 mph W

Humidity16%

Visibility—

Dew point40°

Sat, 1580° / 62°

80 °

Radnor, Saturday, 15 August

Overcast. High 80°, low 62°.

Pressure29.97 inHg

Wind5.7 mph NW

Humidity34%

Visibility—

Dew point46°

Sun, 1698° / 65°

98 °

Radnor, Sunday, 16 August

Partly cloudy. High 98°, low 65°.

Pressure29.97 inHg

Wind20.4 mph W

Humidity22%

Visibility—

Dew point48°

Mon, 1798° / 60°

98 °

Radnor, Monday, 17 August

Clear. High 98°, low 60°.

Pressure29.94 inHg

Wind17.5 mph W

Humidity18%

Visibility—

Dew point42°

Tue, 1897° / 59°

97 °

Radnor, Tuesday, 18 August

Overcast. High 97°, low 59°.

Pressure29.91 inHg

Wind9.3 mph NW

Humidity18%

Visibility—

Dew point40°

Wed, 1999° / 63°

99 °

Radnor, Wednesday, 19 August

Mostly clear. High 99°, low 63°.

Pressure29.85 inHg

Wind9 mph NW

Humidity22%

Visibility—

Dew point47°

Thu, 20101° / 65°

101 °

Radnor, Thursday, 20 August

Clear. High 101°, low 65°.

Pressure29.83 inHg

Wind15 mph W

Humidity20%

Visibility—

Dew point46°

Fri, 2198° / 65°

98 °

Radnor, Friday, 21 August

Overcast. High 98°, low 65°.

Pressure29.83 inHg

Wind14.3 mph W

Humidity21%

Visibility—

Dew point46°

Sat, 22101° / 62°

101 °

Radnor, Saturday, 22 August

Clear. High 101°, low 62°.

Pressure29.85 inHg

Wind16.2 mph W

Humidity16%

Visibility—

Dew point40°

Sun, 23102° / 64°

102 °

Radnor, Sunday, 23 August

Clear. High 102°, low 64°.

Pressure29.88 inHg

Wind15.8 mph W

Humidity19%

Visibility—

Dew point38°

Mon, 24102° / 63°

102 °

Radnor, Monday, 24 August

Clear. High 102°, low 63°.

Pressure29.85 inHg

Wind7.7 mph W

Humidity20%

Visibility—

Dew point39°

From day 17 onward the outlook is built from 60-year climate statistics

Tue, 2596° / 71°

96 °

Radnor, Tuesday, 25 August

Climate normal for this date — 60-year average.

Average high96°

Average low71°

Average precipitation0 in

Chance of precipitation0%

Record high109° (2010)

Record low60° (1990)

Wed, 2696° / 71°

96 °

Radnor, Wednesday, 26 August

Climate normal for this date — 60-year average.

Average high96°

Average low71°

Average precipitation0 in

Chance of precipitation0%

Record high106° (2022)

Record low58° (1990)

Thu, 2797° / 71°

97 °

Radnor, Thursday, 27 August

Climate normal for this date — 60-year average.

Average high97°

Average low71°

Average precipitation0 in

Chance of precipitation0%

Record high106° (2019)

Record low60° (1973)

Fri, 2897° / 71°

97 °

Radnor, Friday, 28 August

Climate normal for this date — 60-year average.

Average high97°

Average low71°

Average precipitation0 in

Chance of precipitation0%

Record high108° (2021)

Record low61° (2010)

Sat, 2997° / 71°

97 °

Radnor, Saturday, 29 August

Climate normal for this date — 60-year average.

Average high97°

Average low71°

Average precipitation0 in

Chance of precipitation2%

Record high109° (2017)

Record low62° (2010)

Sun, 3096° / 71°

96 °

Radnor, Sunday, 30 August

Climate normal for this date — 60-year average.

Average high96°

Average low71°

Average precipitation0 in

Chance of precipitation0%

Record high108° (2021)

Record low61° (1966)

Mon, 3196° / 71°

96 °

Radnor, Monday, 31 August

Climate normal for this date — 60-year average.

Average high96°

Average low71°

Average precipitation0 in

Chance of precipitation0%

Record high107° (2022)

Record low59° (1964)

Tue, 0196° / 70°

96 °

Radnor, Tuesday, 1 September

Climate normal for this date — 60-year average.

Average high96°

Average low70°

Average precipitation0 in

Chance of precipitation0%

Record high108° (2022)

Record low56° (1964)

Wed, 0297° / 71°

97 °

Radnor, Wednesday, 2 September

Climate normal for this date — 60-year average.

Average high97°

Average low71°

Average precipitation0 in

Chance of precipitation3%

Record high111° (2022)

Record low56° (1964)

Thu, 0396° / 71°

96 °

Radnor, Thursday, 3 September

Climate normal for this date — 60-year average.

Average high96°

Average low71°

Average precipitation0 in

Chance of precipitation3%

Record high107° (2022)

Record low54° (1964)

Fri, 0496° / 70°

96 °

Radnor, Friday, 4 September

Climate normal for this date — 60-year average.

Average high96°

Average low70°

Average precipitation0 in

Chance of precipitation3%

Record high110° (2022)

Record low59° (2000)

Sat, 0596° / 70°

0.02

96 °

Radnor, Saturday, 5 September

Climate normal for this date — 60-year average.

Average high96°

Average low70°

Average precipitation0.02 in

Chance of precipitation7%

Record high113° (2022)

Record low59° (2000)

Sun, 0696° / 70°

0.01

96 °

Radnor, Sunday, 6 September

Climate normal for this date — 60-year average.

Average high96°

Average low70°

Average precipitation0.01 in

Chance of precipitation2%

Record high116° (2022)

Record low57° (1970)

Mon, 0796° / 70°

96 °

Radnor, Monday, 7 September

Climate normal for this date — 60-year average.

Average high96°

Average low70°

Average precipitation0 in

Chance of precipitation3%

Record high113° (2020)

Record low58° (1978)

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Radnor, CA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Radnor, CA since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.