Monthly outlook for Grainville, ID: average high 56.3°, average low 39°. That is 5.1° above the climate normal for October. Precipitation is expected on 4 days (about 1.6 inches), against a normal of 5 days and 1.2 inches. The warmest day looks like 22 October (66.8°), the coolest 25 October (30.3°).
56.3°/39°
Average high / low
+5.1°
Above normal
4 / 5
Wet days / normal
1.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
20 October – 29 October
58.3°
49.3°
+5°
30 October – 8 November
52.9°
42.5°
+5.7°
9 November – 18 November
at normal
37.5°
—
October records over 66 years
79.5°3 October 2010All-time high
-8.3°30 October 2019All-time low
Climate normals and records are computed from the nearest reference point — Warm River (7 mi).
Wed, 2162° / 36°0
62 °
Grainville, Wednesday, 21 October
Overcast. High 62°, low 36°.
Pressure30.06 inHg
Wind1 mph SW
Humidity48%
Visibility6.2 mi
Dew point41°
Thu, 2267° / 42°0.45
67 °
Grainville, Thursday, 22 October
Heavy rain. High 67°, low 42°.
Pressure29.94 inHg
Wind4.1 mph SE
Humidity50%
Visibility6.2 mi
Dew point44°
Fri, 2351° / 42°0.73
51 °
Grainville, Friday, 23 October
Rain. High 51°, low 42°.
Pressure29.83 inHg
Wind6.2 mph SW
Humidity83%
Visibility2.6 mi
Dew point46°
Sat, 2453° / 39°0.01
53 °
Grainville, Saturday, 24 October
Light rain. High 53°, low 39°.
Pressure30.18 inHg
Wind5.2 mph W
Humidity59%
Visibility—
Dew point34°
Sun, 2555° / 30°0
55 °
Grainville, Sunday, 25 October
Clear. High 55°, low 30°.
Pressure30.21 inHg
Wind6.2 mph NE
Humidity50%
Visibility—
Dew point30°
Mon, 2656° / 36°0
56 °
Grainville, Monday, 26 October
Clear. High 56°, low 36°.
Pressure30.21 inHg
Wind6.1 mph E
Humidity34%
Visibility—
Dew point23°
Tue, 2758° / 39°0
58 °
Grainville, Tuesday, 27 October
Overcast. High 58°, low 39°.
Pressure30.21 inHg
Wind6.6 mph NE
Humidity38%
Visibility—
Dew point26°
Wed, 2857° / 37°0
57 °
Grainville, Wednesday, 28 October
Overcast. High 57°, low 37°.
Pressure30.15 inHg
Wind6.5 mph E
Humidity34%
Visibility—
Dew point23°
Thu, 2958° / 41°0
58 °
Grainville, Thursday, 29 October
Overcast. High 58°, low 41°.
Pressure29.97 inHg
Wind7.7 mph W
Humidity39%
Visibility—
Dew point27°
Fri, 3057° / 41°0.04
57 °
Grainville, Friday, 30 October
Light rain. High 57°, low 41°.
Pressure29.85 inHg
Wind5.7 mph E
Humidity52%
Visibility—
Dew point35°
Sat, 3151° / 43°0.37
51 °
Grainville, Saturday, 31 October
Rain. High 51°, low 43°.
Pressure29.88 inHg
Wind10 mph SW
Humidity74%
Visibility—
Dew point41°
Sun, 0152° / 39°0.03
52 °
Grainville, Sunday, 1 November
Light rain. High 52°, low 39°.
Pressure30.21 inHg
Wind9.4 mph SW
Humidity50%
Visibility—
Dew point31°
Mon, 0255° / 36°0
55 °
Grainville, Monday, 2 November
Overcast. High 55°, low 36°.
Pressure30.27 inHg
Wind6.5 mph W
Humidity48%
Visibility—
Dew point30°
Tue, 0357° / 41°0
57 °
Grainville, Tuesday, 3 November
Overcast. High 57°, low 41°.
Pressure29.97 inHg
Wind6.3 mph W
Humidity40%
Visibility—
Dew point28°
Wed, 0445° / 43°0
45 °
Grainville, Wednesday, 4 November
Overcast. High 45°, low 43°.
Pressure30.03 inHg
Wind12.6 mph SW
Humidity67%
Visibility—
Dew point35°
From day 17 onward the outlook is built from 60-year climate statistics
Thu, 0543° / 25°0.09
43 °
Grainville, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high43°
Average low25°
Average precipitation0.09 in
Chance of precipitation43%
Record high60° (1987)
Record low-1° (1971)
Fri, 0642° / 25°0.1
42 °
Grainville, Friday, 6 November
Climate normal for this date — 60-year average.
Average high42°
Average low25°
Average precipitation0.1 in
Chance of precipitation42%
Record high64° (1999)
Record low-3° (2003)
Sat, 0742° / 24°0.1
42 °
Grainville, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high42°
Average low24°
Average precipitation0.1 in
Chance of precipitation47%
Record high67° (1999)
Record low1° (2003)
Sun, 0840° / 23°0.13
40 °
Grainville, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high40°
Average low23°
Average precipitation0.13 in
Chance of precipitation43%
Record high60° (1999)
Record low3° (2003)
Mon, 0939° / 22°0.11
39 °
Grainville, Monday, 9 November
Climate normal for this date — 60-year average.
Average high39°
Average low22°
Average precipitation0.11 in
Chance of precipitation38%
Record high57° (2016)
Record low3° (1966)
Tue, 1039° / 21°0.08
39 °
Grainville, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high39°
Average low21°
Average precipitation0.08 in
Chance of precipitation43%
Record high60° (2016)
Record low-14° (1986)
Wed, 1139° / 20°0.07
39 °
Grainville, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high39°
Average low20°
Average precipitation0.07 in
Chance of precipitation37%
Record high59° (1999)
Record low-1° (2000)
Thu, 1239° / 20°0.1
39 °
Grainville, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high39°
Average low20°
Average precipitation0.1 in
Chance of precipitation37%
Record high61° (1999)
Record low-4° (2000)
Fri, 1338° / 22°0.1
38 °
Grainville, Friday, 13 November
Climate normal for this date — 60-year average.
Average high38°
Average low22°
Average precipitation0.1 in
Chance of precipitation45%
Record high57° (1999)
Record low-4° (2000)
Sat, 1437° / 20°0.1
37 °
Grainville, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high37°
Average low20°
Average precipitation0.1 in
Chance of precipitation38%
Record high61° (1999)
Record low-6° (2000)
Sun, 1537° / 18°0.04
37 °
Grainville, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high37°
Average low18°
Average precipitation0.04 in
Chance of precipitation27%
Record high63° (1999)
Record low-3° (1978)
Mon, 1637° / 19°0.08
37 °
Grainville, Monday, 16 November
Climate normal for this date — 60-year average.
Average high37°
Average low19°
Average precipitation0.08 in
Chance of precipitation35%
Record high58° (1999)
Record low-11° (2014)
Tue, 1736° / 20°0.09
36 °
Grainville, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high36°
Average low20°
Average precipitation0.09 in
Chance of precipitation45%
Record high57° (1999)
Record low-8° (2014)
Wed, 1835° / 19°0.11
35 °
Grainville, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high35°
Average low19°
Average precipitation0.11 in
Chance of precipitation43%
Record high50° (1995)
Record low-7° (1969)
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 Grainville, 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 Grainville, 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.