10-day forecast for Helena, CA: 53° to 103°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
103°
Best day: Tuesday, August 11
75°
Worst day: Tuesday, August 18
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1095° / 56°0
Morning64°feels 61°
Afternoon93°feels 88°
Evening79°feels 79°
Overnight61°feels 59°
95 °
Helena, Monday, 10 August
Clear. High 95°, low 56°.
Pressure29.83 inHg
Wind3 mph S
Humidity12%
Visibility6.2 mi
Dew point36°
Tue, 11103° / 62°0
Morning73°feels 72°
Afternoon102°feels 97°
Evening78°feels 78°
Overnight66°feels 64°
103 °
Helena, Tuesday, 11 August
Clear. High 103°, low 62°.
Pressure29.88 inHg
Wind3.6 mph S
Humidity10%
Visibility6.2 mi
Dew point30°
Wed, 12101° / 62°0
Morning72°feels 71°
Afternoon101°feels 95°
Evening77°feels 77°
Overnight65°feels 64°
101 °
Helena, Wednesday, 12 August
Clear. High 101°, low 62°.
Pressure29.80 inHg
Wind3.3 mph SE
Humidity11%
Visibility6.2 mi
Dew point31°
Thu, 1395° / 61°0
Morning77°feels 74°
Afternoon91°feels 87°
Evening73°feels 72°
Overnight64°feels 63°
95 °
Helena, Thursday, 13 August
Clear. High 95°, low 61°.
Pressure29.74 inHg
Wind5.3 mph SE
Humidity13%
Visibility—
Dew point33°
Fri, 1495° / 59°0
Morning76°feels 74°
Afternoon91°feels 88°
Evening72°feels 71°
Overnight64°feels 62°
95 °
Helena, Friday, 14 August
Clear. High 95°, low 59°.
Pressure29.85 inHg
Wind4 mph W
Humidity15%
Visibility—
Dew point37°
Sat, 1595° / 58°0
Morning75°feels 73°
Afternoon91°feels 88°
Evening72°feels 71°
Overnight64°feels 63°
95 °
Helena, Saturday, 15 August
Clear. High 95°, low 58°.
Pressure29.91 inHg
Wind7.1 mph W
Humidity16%
Visibility—
Dew point38°
Sun, 1679° / 58°0.01
Morning67°feels 67°
Afternoon78°feels 77°
Evening67°feels 66°
Overnight58°feels 58°
79 °
Helena, Sunday, 16 August
Light rain. High 79°, low 58°.
Pressure30.00 inHg
Wind4.6 mph SE
Humidity36%
Visibility—
Dew point48°
Mon, 1783° / 53°0
Morning66°feels 65°
Afternoon80°feels 78°
Evening64°feels 63°
Overnight59°feels 58°
83 °
Helena, Monday, 17 August
Overcast. High 83°, low 53°.
Pressure29.94 inHg
Wind5.8 mph W
Humidity22%
Visibility—
Dew point37°
Tue, 1875° / 58°0
Morning64°feels 63°
Afternoon71°feels 70°
Evening66°feels 65°
Overnight62°feels 61°
75 °
Helena, Tuesday, 18 August
Overcast. High 75°, low 58°.
Pressure29.97 inHg
Wind3.7 mph SE
Humidity44%
Visibility—
Dew point47°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Helena, CA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.