Pocatello weather in August: Pocatello, Idaho: normal highs, lows, rain and records for August
Pocatello in August has a normal high of 88°F and a normal low of 51°F, a daily mean of 69°F, falling from 91°F on the 1st to 84°F by the 31st. Measurable precipitation falls on 4 days in a normal August, 0.53 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 10°C, 13 mm of precipitation in August.
- NOAA stationPocatello Regional Airport
- Station IDUSW00024156
- Location42.92°N 112.57°W
- Elevation4,478 ft (1,365 m)
- Population58,231
- Jan 34° 17°
- Feb 39° 20°
- Mar 51° 28°
- Apr 59° 33°
- May 69° 40°
- Jun 79° 46°
- Jul 89° 52°
- Aug 88° 51°
- Sep 77° 42°
- Oct 62° 33°
- Nov 46° 24°
- Dec 34° 17°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Pocatello in August?
The normal high is 88°F and the normal low 51°F, for a daily mean of 69.3°F. August is 1.5°F cooler than July and 9.6°F warmer than September. August is the 2nd warmest month of the year in Pocatello and the 11th wettest. Across the month the normal high falls 7°F, from 91°F on August 1 to 84°F on August 31. From one year to the next August's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 67°F and 71°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 15%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 91°F | 53°F | 15% | 6% |
| August 8 | 90°F | 53°F | 15% | 6% |
| August 15 | 89°F | 51°F | 15% | 6% |
| August 22 | 87°F | 49°F | 15% | 7% |
| August 31 | 84°F | 47°F | 15% | 7% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 91°F | 53°F | 15% | 6% | 14 h 30 min |
| August 2 | 91°F | 53°F | 15% | 6% | 14 h 30 min |
| August 3 | 91°F | 53°F | 15% | 6% | 14 h 30 min |
| August 4 | 91°F | 53°F | 15% | 6% | 14 h 30 min |
| August 5 | 91°F | 53°F | 15% | 6% | 14 h 20 min |
| August 6 | 91°F | 53°F | 15% | 6% | 14 h 20 min |
| August 7 | 90°F | 53°F | 15% | 6% | 14 h 20 min |
| August 8 | 90°F | 53°F | 15% | 6% | 14 h 20 min |
| August 9 | 90°F | 52°F | 15% | 6% | 14 h 10 min |
| August 10 | 90°F | 52°F | 15% | 6% | 14 h 10 min |
| August 11 | 90°F | 52°F | 15% | 6% | 14 h 10 min |
| August 12 | 89°F | 52°F | 15% | 6% | 14 h 10 min |
| August 13 | 89°F | 52°F | 15% | 6% | 14 h |
| August 14 | 89°F | 51°F | 15% | 6% | 14 h |
| August 15 | 89°F | 51°F | 15% | 6% | 14 h |
| August 16 | 88°F | 51°F | 15% | 6% | 14 h |
| August 17 | 88°F | 51°F | 15% | 6% | 13 h 50 min |
| August 18 | 88°F | 50°F | 15% | 6% | 13 h 50 min |
| August 19 | 88°F | 50°F | 15% | 6% | 13 h 50 min |
| August 20 | 87°F | 50°F | 15% | 6% | 13 h 50 min |
| August 21 | 87°F | 49°F | 15% | 7% | 13 h 40 min |
| August 22 | 87°F | 49°F | 15% | 7% | 13 h 40 min |
| August 23 | 86°F | 49°F | 15% | 7% | 13 h 40 min |
| August 24 | 86°F | 49°F | 15% | 7% | 13 h 40 min |
| August 25 | 86°F | 48°F | 15% | 7% | 13 h 30 min |
| August 26 | 86°F | 48°F | 15% | 7% | 13 h 30 min |
| August 27 | 85°F | 48°F | 15% | 7% | 13 h 30 min |
| August 28 | 85°F | 48°F | 15% | 7% | 13 h 20 min |
| August 29 | 85°F | 47°F | 15% | 7% | 13 h 20 min |
| August 30 | 84°F | 47°F | 15% | 7% | 13 h 20 min |
| August 31 | 84°F | 47°F | 15% | 7% | 13 h 20 min |
- Normal high
- 88°FAugust average
- Normal low
- 51°FAugust average
- Precipitation
- 0.53 inmonth total
- Days with precipitation
- 40.01 inch or more
- Days at 90°F or more
- 15
- Daylight
- 14 h 30 min to 13 h 20 minAugust 1 to August 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 28
- Sunshine
- 88%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024156; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Pocatello in August?
On a given August day the chance of 0.01 inch or more is 15% on average, highest around August 31 (15%). In all, 0.53 in falls on 4 days of a normal August.
In a normal August in Pocatello, 15 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024156.
How humid and windy is Pocatello in August?
At 3 p.m. the normal temperature is 82°F with 20% relative humidity and a dew point of 37°F; at 6 a.m. it is 51°F with 65% humidity. The wind averages 8.2 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 51°F | 39°F | 65% | 5.5 mph | 81% |
| 9 a.m. | 65°F | 42°F | 42% | 8.0 mph | 83% |
| noon | 77°F | 40°F | 27% | 10.2 mph | 81% |
| 3 p.m. | 82°F | 37°F | 20% | 11.8 mph | 71% |
| 6 p.m. | 79°F | 37°F | 22% | 10.0 mph | 76% |
| 9 p.m. | 65°F | 38°F | 37% | 8.3 mph | 89% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024156. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for August in Pocatello?
The warmest August temperature on Pocatello's official record (since 1939) is 104°F, on August 2, 1969; the coldest is 30°F, on August 25, 1992. The wettest August brought 3.98 in (1968).
The August mean against the 1991-2020 normal of 69.3°F: 2021 67.6°F (−1.7), 2022 73.0°F (+3.7), 2023 70.4°F (+1.1), 2024 69.6°F (+0.3), 2025 70.0°F (+0.7), 2026 72.5°F (+3.2). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 67.6°F | −1.7°F | 1.89 in |
| 2022 | 73.0°F | +3.7°F | 0.79 in |
| 2023 | 70.4°F | +1.1°F | 0.93 in |
| 2024 | 69.6°F | +0.3°F | 0.10 in |
| 2025 | 70.0°F | +0.7°F | 0.48 in |
| 2026 | 72.5°F | +3.2°F | 0.84 in |
Source: records: ACIS, NWS threaded record PIHthr; recent months: ACIS, station USW00024156. Records and recent months use complete months only.
How does August in Pocatello compare across Idaho?
Across the 85 places PlainClimate covers in Idaho, August normal highs run from 69°F in Mullan to 97°F in Glenns Ferry; Pocatello's is 88°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.