As of 21:52 PDT

Weather in Holtville, CA

105°

Holtville, Saturday, 8 August, 21:52

Clear. Feels like 115°. High 105°, low 77°.

Pressure29.74 inHg

Wind8.7 mph S

Humidity33%

Visibility6.2 mi

Dew point70°

See detailed hourly forecast

Monthly outlook for Holtville, CA: average high 108.7°, average low 84.7°. That is 1.2° above the climate normal for August. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 18 August (114.4°), the coolest 8 August (76.5°).

108.7°/84.7°

Average high / low

+1.2°

Above normal

1 / 2

Wet days / normal

0.1 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
8 August – 17 August	108.1°	107°	+0.6°
18 August – 27 August	109.7°	105.9°	+2.1°
28 August – 6 September	at normal	105.7°	—

August records over 66 years

120.9°4 August 2021All-time high

64.2°23 August 1968All-time low

Sun, 09108° / 83°

108 °

Holtville, Sunday, 9 August

Clear. High 108°, low 83°.

Pressure29.74 inHg

Wind10.6 mph SE

Humidity23%

Visibility6.2 mi

Dew point64°

Mon, 10112° / 83°

112 °

Holtville, Monday, 10 August

Clear. High 112°, low 83°.

Pressure29.80 inHg

Wind11.1 mph S

Humidity27%

Visibility6.2 mi

Dew point66°

Tue, 11108° / 88°

0.01

108 °

Holtville, Tuesday, 11 August

Light rain. High 108°, low 88°.

Pressure29.83 inHg

Wind9.2 mph SE

Humidity30%

Visibility6.2 mi

Dew point65°

Wed, 12107° / 86°

0.06

107 °

Holtville, Wednesday, 12 August

Light rain. High 107°, low 86°.

Pressure29.77 inHg

Wind2.3 mph SE

Humidity28%

Visibility6.2 mi

Dew point62°

Thu, 13105° / 84°

105 °

Holtville, Thursday, 13 August

Overcast. High 105°, low 84°.

Pressure29.77 inHg

Wind14 mph W

Humidity19%

Visibility—

Dew point47°

Fri, 14103° / 83°

103 °

Holtville, Friday, 14 August

Overcast. High 103°, low 83°.

Pressure29.85 inHg

Wind9.9 mph NW

Humidity23%

Visibility—

Dew point52°

Sat, 15109° / 83°

109 °

Holtville, Saturday, 15 August

Overcast. High 109°, low 83°.

Pressure29.88 inHg

Wind6.7 mph NW

Humidity21%

Visibility—

Dew point51°

Sun, 16110° / 86°

110 °

Holtville, Sunday, 16 August

Partly cloudy. High 110°, low 86°.

Pressure29.91 inHg

Wind6.8 mph SE

Humidity26%

Visibility—

Dew point58°

Mon, 17113° / 86°

113 °

Holtville, Monday, 17 August

Clear. High 113°, low 86°.

Pressure29.88 inHg

Wind7.7 mph W

Humidity15%

Visibility—

Dew point46°

Tue, 18114° / 92°

114 °

Holtville, Tuesday, 18 August

Overcast. High 114°, low 92°.

Pressure29.83 inHg

Wind16.2 mph SE

Humidity18%

Visibility—

Dew point50°

Wed, 19106° / 88°

106 °

Holtville, Wednesday, 19 August

Overcast. High 106°, low 88°.

Pressure29.85 inHg

Wind17.6 mph SE

Humidity37%

Visibility—

Dew point67°

Thu, 20110° / 87°

110 °

Holtville, Thursday, 20 August

Overcast. High 110°, low 87°.

Pressure29.83 inHg

Wind7.9 mph SE

Humidity31%

Visibility—

Dew point63°

Fri, 21110° / 85°

110 °

Holtville, Friday, 21 August

Mostly clear. High 110°, low 85°.

Pressure29.80 inHg

Wind9.7 mph W

Humidity15%

Visibility—

Dew point44°

Sat, 22109° / 83°

109 °

Holtville, Saturday, 22 August

Overcast. High 109°, low 83°.

Pressure29.83 inHg

Wind7.9 mph S

Humidity19%

Visibility—

Dew point49°

Sun, 23110° / 81°

110 °

Holtville, Sunday, 23 August

Clear. High 110°, low 81°.

Pressure29.80 inHg

Wind8.4 mph SW

Humidity19%

Visibility—

Dew point49°

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

Mon, 24106° / 81°

0.02

106 °

Holtville, Monday, 24 August

Climate normal for this date — 60-year average.

Average high106°

Average low81°

Average precipitation0.02 in

Chance of precipitation12%

Record high117° (1985)

Record low69° (2004)

Tue, 25105° / 81°

0.04

105 °

Holtville, Tuesday, 25 August

Climate normal for this date — 60-year average.

Average high105°

Average low81°

Average precipitation0.04 in

Chance of precipitation18%

Record high116° (2020)

Record low69° (1989)

Wed, 26106° / 81°

0.02

106 °

Holtville, Wednesday, 26 August

Climate normal for this date — 60-year average.

Average high106°

Average low81°

Average precipitation0.02 in

Chance of precipitation10%

Record high117° (2020)

Record low68° (1973)

Thu, 27107° / 80°

107 °

Holtville, Thursday, 27 August

Climate normal for this date — 60-year average.

Average high107°

Average low80°

Average precipitation0 in

Chance of precipitation5%

Record high118° (2021)

Record low68° (1973)

Fri, 28107° / 80°

0.01

107 °

Holtville, Friday, 28 August

Climate normal for this date — 60-year average.

Average high107°

Average low80°

Average precipitation0.01 in

Chance of precipitation2%

Record high119° (2023)

Record low68° (1973)

Sat, 29107° / 81°

0.02

107 °

Holtville, Saturday, 29 August

Climate normal for this date — 60-year average.

Average high107°

Average low81°

Average precipitation0.02 in

Chance of precipitation10%

Record high120° (2023)

Record low67° (2010)

Sun, 30107° / 81°

0.01

107 °

Holtville, Sunday, 30 August

Climate normal for this date — 60-year average.

Average high107°

Average low81°

Average precipitation0.01 in

Chance of precipitation7%

Record high116° (2022)

Record low68° (2010)

Mon, 31106° / 80°

0.01

106 °

Holtville, Monday, 31 August

Climate normal for this date — 60-year average.

Average high106°

Average low80°

Average precipitation0.01 in

Chance of precipitation8%

Record high115° (2022)

Record low67° (1992)

Tue, 01106° / 80°

0.01

106 °

Holtville, Tuesday, 1 September

Climate normal for this date — 60-year average.

Average high106°

Average low80°

Average precipitation0.01 in

Chance of precipitation10%

Record high114° (2007)

Record low67° (1966)

Wed, 02105° / 80°

0.01

105 °

Holtville, Wednesday, 2 September

Climate normal for this date — 60-year average.

Average high105°

Average low80°

Average precipitation0.01 in

Chance of precipitation8%

Record high112° (2024)

Record low65° (2000)

Thu, 03105° / 80°

0.01

105 °

Holtville, Thursday, 3 September

Climate normal for this date — 60-year average.

Average high105°

Average low80°

Average precipitation0.01 in

Chance of precipitation10%

Record high113° (2010)

Record low68° (2000)

Fri, 04105° / 80°

0.04

105 °

Holtville, Friday, 4 September

Climate normal for this date — 60-year average.

Average high105°

Average low80°

Average precipitation0.04 in

Chance of precipitation17%

Record high116° (2020)

Record low66° (1985)

Sat, 05105° / 80°

0.01

105 °

Holtville, Saturday, 5 September

Climate normal for this date — 60-year average.

Average high105°

Average low80°

Average precipitation0.01 in

Chance of precipitation7%

Record high120° (2020)

Record low65° (2016)

Sun, 06104° / 80°

0.02

104 °

Holtville, Sunday, 6 September

Climate normal for this date — 60-year average.

Average high104°

Average low80°

Average precipitation0.02 in

Chance of precipitation8%

Record high120° (2020)

Record low66° (1985)

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 Holtville, 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 Holtville, 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.