Monthly outlook for Lombard, CA: average high 79.6°, average low 57.6°. That is 1.4° below 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 9 August (92.7°), the coolest 24 August (54.7°).
79.6°/57.6°
Average high / low
−1.4°
Below 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
80.6°
82.7°
-1.2°
19 August – 28 August
78°
82°
-2.2°
29 August – 7 September
at normal
83.8°
—
August records over 66 years
104.2°4 August 1998All-time high
49.1°10 August 1960All-time low
Climate normals and records are computed from the nearest reference point — Vallejo (5 mi).
Mon, 1086° / 59°0
86 °
Lombard, Monday, 10 August
Clear. High 86°, low 59°.
Pressure29.85 inHg
Wind6.8 mph SW
Humidity40%
Visibility6.2 mi
Dew point51°
Tue, 1182° / 57°0
82 °
Lombard, Tuesday, 11 August
Clear. High 82°, low 57°.
Pressure29.91 inHg
Wind6.3 mph SW
Humidity39%
Visibility6.2 mi
Dew point51°
Wed, 1276° / 57°0
76 °
Lombard, Wednesday, 12 August
Clear. High 76°, low 57°.
Pressure29.85 inHg
Wind7.4 mph SW
Humidity50%
Visibility6.2 mi
Dew point53°
Thu, 1375° / 56°0
75 °
Lombard, Thursday, 13 August
Partly cloudy. High 75°, low 56°.
Pressure29.85 inHg
Wind10.3 mph SW
Humidity49%
Visibility—
Dew point52°
Fri, 1478° / 58°0
78 °
Lombard, Friday, 14 August
Clear. High 78°, low 58°.
Pressure29.94 inHg
Wind10.1 mph SW
Humidity40%
Visibility—
Dew point50°
Sat, 1580° / 57°0
80 °
Lombard, Saturday, 15 August
Partly cloudy. High 80°, low 57°.
Pressure30.00 inHg
Wind10.1 mph SW
Humidity37%
Visibility—
Dew point49°
Sun, 1678° / 60°0
78 °
Lombard, Sunday, 16 August
Overcast. High 78°, low 60°.
Pressure30.06 inHg
Wind13.4 mph SW
Humidity41%
Visibility—
Dew point51°
Mon, 1777° / 57°0
77 °
Lombard, Monday, 17 August
Overcast. High 77°, low 57°.
Pressure30.06 inHg
Wind12.1 mph SW
Humidity41%
Visibility—
Dew point49°
Tue, 1882° / 56°0
82 °
Lombard, Tuesday, 18 August
Overcast. High 82°, low 56°.
Pressure29.97 inHg
Wind12.5 mph SW
Humidity44%
Visibility—
Dew point55°
Wed, 1981° / 62°0
81 °
Lombard, Wednesday, 19 August
Clear. High 81°, low 62°.
Pressure29.94 inHg
Wind14.5 mph SW
Humidity45%
Visibility—
Dew point56°
Thu, 2082° / 61°0
82 °
Lombard, Thursday, 20 August
Overcast. High 82°, low 61°.
Pressure29.94 inHg
Wind13.3 mph SW
Humidity42%
Visibility—
Dew point55°
Fri, 2176° / 57°0
76 °
Lombard, Friday, 21 August
Mostly clear. High 76°, low 57°.
Pressure29.94 inHg
Wind9.6 mph SW
Humidity43%
Visibility—
Dew point50°
Sat, 2276° / 57°0
76 °
Lombard, Saturday, 22 August
Overcast. High 76°, low 57°.
Pressure29.94 inHg
Wind8 mph SW
Humidity41%
Visibility—
Dew point48°
Sun, 2375° / 56°0
75 °
Lombard, Sunday, 23 August
Partly cloudy. High 75°, low 56°.
Pressure29.91 inHg
Wind8.2 mph SW
Humidity43%
Visibility—
Dew point49°
Mon, 2477° / 55°0
77 °
Lombard, Monday, 24 August
Clear. High 77°, low 55°.
Pressure29.85 inHg
Wind7.8 mph SW
Humidity37%
Visibility—
Dew point47°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2582° / 57°0
82 °
Lombard, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high82°
Average low57°
Average precipitation0 in
Chance of precipitation0%
Record high100° (1988)
Record low52° (1960)
Wed, 2683° / 56°0
83 °
Lombard, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high83°
Average low56°
Average precipitation0 in
Chance of precipitation0%
Record high100° (1988)
Record low51° (2005)
Thu, 2784° / 57°0
84 °
Lombard, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high84°
Average low57°
Average precipitation0 in
Chance of precipitation0%
Record high99° (2008)
Record low52° (1960)
Fri, 2884° / 57°0
84 °
Lombard, Friday, 28 August
Climate normal for this date — 60-year average.
Average high84°
Average low57°
Average precipitation0 in
Chance of precipitation0%
Record high102° (2008)
Record low51° (1960)
Sat, 2983° / 57°0
83 °
Lombard, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high83°
Average low57°
Average precipitation0 in
Chance of precipitation0%
Record high100° (1977)
Record low51° (1975)
Sun, 3083° / 57°0
83 °
Lombard, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high83°
Average low57°
Average precipitation0 in
Chance of precipitation3%
Record high98° (1996)
Record low52° (1960)
Mon, 3183° / 57°0
83 °
Lombard, Monday, 31 August
Climate normal for this date — 60-year average.
Average high83°
Average low57°
Average precipitation0 in
Chance of precipitation3%
Record high95° (1976)
Record low51° (1970)
Tue, 0185° / 57°0
85 °
Lombard, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high85°
Average low57°
Average precipitation0 in
Chance of precipitation2%
Record high102° (2017)
Record low51° (1970)
Wed, 0284° / 57°0
84 °
Lombard, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high84°
Average low57°
Average precipitation0 in
Chance of precipitation2%
Record high102° (2017)
Record low52° (1960)
Thu, 0383° / 57°0
83 °
Lombard, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high83°
Average low57°
Average precipitation0 in
Chance of precipitation0%
Record high98° (1963)
Record low49° (2000)
Fri, 0484° / 57°0
84 °
Lombard, Friday, 4 September
Climate normal for this date — 60-year average.
Average high84°
Average low57°
Average precipitation0 in
Chance of precipitation0%
Record high98° (2008)
Record low50° (2000)
Sat, 0585° / 57°0
85 °
Lombard, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high85°
Average low57°
Average precipitation0 in
Chance of precipitation0%
Record high106° (2022)
Record low51° (2012)
Sun, 0684° / 57°0
84 °
Lombard, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high84°
Average low57°
Average precipitation0 in
Chance of precipitation2%
Record high107° (2022)
Record low51° (1973)
Mon, 0785° / 57°0
85 °
Lombard, Monday, 7 September
Climate normal for this date — 60-year average.
Average high85°
Average low57°
Average precipitation0 in
Chance of precipitation0%
Record high105° (2020)
Record low52° (1960)
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 Lombard, 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 Lombard, 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.