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As of 15:51 MDT

Weather in Saint Johns, ID

99°Current weather

Saint Johns, Saturday, 8 August, 15:51

Overcast. Feels like 94°. High 99°, low 66°.

Pressure29.80 inHg
Wind17.6 mph W
Humidity12%
Visibility6.2 mi
Dew point38°
Sun, 0997° / 65°0.03Light rain
97 °Light rain

Saint Johns, Sunday, 9 August

Light rain. High 97°, low 65°.

Pressure29.83 inHg
Wind10 mph SW
Humidity17%
Visibility6.2 mi
Dew point41°
Mon, 1098° / 62°0Clear
98 °Clear

Saint Johns, Monday, 10 August

Clear. High 98°, low 62°.

Pressure29.83 inHg
Wind9.8 mph SW
Humidity18%
Visibility6.2 mi
Dew point42°
Tue, 11100° / 69°0Clear
100 °Clear

Saint Johns, Tuesday, 11 August

Clear. High 100°, low 69°.

Pressure29.85 inHg
Wind6 mph SW
Humidity9%
Visibility6.2 mi
Dew point24°
Wed, 1290° / 70°0.01Light rain
90 °Light rain

Saint Johns, Wednesday, 12 August

Light rain. High 90°, low 70°.

Pressure29.80 inHg
Wind7.8 mph W
Humidity14%
Visibility6.2 mi
Dew point34°
Thu, 1395° / 65°0Mostly clear
95 °Mostly clear

Saint Johns, Thursday, 13 August

Mostly clear. High 95°, low 65°.

Pressure29.77 inHg
Wind12.3 mph W
Humidity17%
Visibility—
Dew point36°
Fri, 1491° / 64°0.02Light rain
91 °Light rain

Saint Johns, Friday, 14 August

Light rain. High 91°, low 64°.

Pressure29.91 inHg
Wind12.9 mph SW
Humidity32%
Visibility—
Dew point49°
Sat, 1590° / 65°0.01Light rain
90 °Light rain

Saint Johns, Saturday, 15 August

Light rain. High 90°, low 65°.

Pressure29.97 inHg
Wind22 mph SW
Humidity30%
Visibility—
Dew point49°
Sun, 1694° / 64°0Mostly clear
94 °Mostly clear

Saint Johns, Sunday, 16 August

Mostly clear. High 94°, low 64°.

Pressure30.00 inHg
Wind20.6 mph SW
Humidity19%
Visibility—
Dew point39°
Mon, 1796° / 67°0Light rain
96 °Light rain

Saint Johns, Monday, 17 August

Light rain. High 96°, low 67°.

Pressure29.97 inHg
Wind15.2 mph SW
Humidity16%
Visibility—
Dew point37°
Tue, 1888° / 68°0Overcast
88 °Overcast

Saint Johns, Tuesday, 18 August

Overcast. High 88°, low 68°.

Pressure30.03 inHg
Wind13.6 mph NW
Humidity26%
Visibility—
Dew point43°
Wed, 1993° / 64°0.01Light rain
93 °Light rain

Saint Johns, Wednesday, 19 August

Light rain. High 93°, low 64°.

Pressure29.97 inHg
Wind10.4 mph SW
Humidity19%
Visibility—
Dew point36°
Thu, 2094° / 64°0.06Light rain
94 °Light rain

Saint Johns, Thursday, 20 August

Light rain. High 94°, low 64°.

Pressure29.94 inHg
Wind13.8 mph SW
Humidity31%
Visibility—
Dew point48°
Fri, 2199° / 69°0.02Light rain
99 °Light rain

Saint Johns, Friday, 21 August

Light rain. High 99°, low 69°.

Pressure29.88 inHg
Wind12.7 mph W
Humidity19%
Visibility—
Dew point42°
Sat, 2297° / 68°0.01Light rain
97 °Light rain

Saint Johns, Saturday, 22 August

Light rain. High 97°, low 68°.

Pressure29.91 inHg
Wind12.4 mph NW
Humidity17%
Visibility—
Dew point37°
Sun, 23100° / 70°0Overcast
100 °Overcast

Saint Johns, Sunday, 23 August

Overcast. High 100°, low 70°.

Pressure29.88 inHg
Wind13.1 mph SW
Humidity17%
Visibility—
Dew point39°

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 Saint Johns, ID 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 Saint Johns, ID 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.