Monthly outlook for Myrtle, ID: average high 62.8°, average low 40.9°. That is 1.8° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 5 days and 1.1 inches. The warmest day looks like 15 October (73.7°), the coolest 24 October (34.6°).
62.8°/40.9°
Average high / low
+1.8°
Above normal
0 / 5
Wet days / normal
0.0 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
14 October – 23 October
64.3°
61.2°
+1.7°
24 October – 2 November
60.1°
55.1°
+2.8°
3 November – 12 November
at normal
50.3°
—
October records over 66 years
88°2 October 1987All-time high
14.5°30 October 2019All-time low
Climate normals and records are computed from the nearest reference point — Culdesac (9 mi).
Thu, 1574° / 40°0
74 °
Myrtle, Thursday, 15 October
Clear. High 74°, low 40°.
Pressure30.50 inHg
Wind5.1 mph E
Humidity48%
Visibility6.2 mi
Dew point40°
Fri, 1671° / 41°0
71 °
Myrtle, Friday, 16 October
Overcast. High 71°, low 41°.
Pressure30.36 inHg
Wind3.1 mph E
Humidity40%
Visibility6.2 mi
Dew point39°
Sat, 1769° / 41°0
69 °
Myrtle, Saturday, 17 October
Overcast. High 69°, low 41°.
Pressure30.12 inHg
Wind4.7 mph SW
Humidity36%
Visibility6.2 mi
Dew point40°
Sun, 1867° / 42°0
67 °
Myrtle, Sunday, 18 October
Clear. High 67°, low 42°.
Pressure30.06 inHg
Wind2.8 mph E
Humidity48%
Visibility6.2 mi
Dew point41°
Mon, 1966° / 43°0
66 °
Myrtle, Monday, 19 October
Overcast. High 66°, low 43°.
Pressure29.88 inHg
Wind4.4 mph W
Humidity56%
Visibility—
Dew point41°
Tue, 2061° / 40°0
61 °
Myrtle, Tuesday, 20 October
Overcast. High 61°, low 40°.
Pressure29.97 inHg
Wind3.6 mph W
Humidity50%
Visibility—
Dew point35°
Wed, 2160° / 42°0
60 °
Myrtle, Wednesday, 21 October
Clear. High 60°, low 42°.
Pressure29.94 inHg
Wind4.2 mph W
Humidity49%
Visibility—
Dew point34°
Thu, 2257° / 43°0
57 °
Myrtle, Thursday, 22 October
Overcast. High 57°, low 43°.
Pressure29.97 inHg
Wind17.7 mph W
Humidity43%
Visibility—
Dew point31°
Fri, 2353° / 40°0
53 °
Myrtle, Friday, 23 October
Overcast. High 53°, low 40°.
Pressure30.33 inHg
Wind13 mph NW
Humidity46%
Visibility—
Dew point29°
Sat, 2454° / 35°0
54 °
Myrtle, Saturday, 24 October
Clear. High 54°, low 35°.
Pressure30.62 inHg
Wind5.2 mph W
Humidity45%
Visibility—
Dew point26°
Sun, 2556° / 37°0
56 °
Myrtle, Sunday, 25 October
Overcast. High 56°, low 37°.
Pressure30.56 inHg
Wind5.5 mph NE
Humidity31%
Visibility—
Dew point18°
Mon, 2659° / 39°0
59 °
Myrtle, Monday, 26 October
Overcast. High 59°, low 39°.
Pressure30.39 inHg
Wind3.7 mph NE
Humidity30%
Visibility—
Dew point20°
Tue, 2764° / 41°0
64 °
Myrtle, Tuesday, 27 October
Overcast. High 64°, low 41°.
Pressure30.12 inHg
Wind5 mph NE
Humidity39%
Visibility—
Dew point28°
Wed, 2864° / 46°0
64 °
Myrtle, Wednesday, 28 October
Mostly clear. High 64°, low 46°.
Pressure30.09 inHg
Wind3.5 mph W
Humidity58%
Visibility—
Dew point42°
Thu, 2963° / 45°0
63 °
Myrtle, Thursday, 29 October
Overcast. High 63°, low 45°.
Pressure29.80 inHg
Wind20.7 mph SW
Humidity39%
Visibility—
Dew point30°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 3054° / 37°0.07
54 °
Myrtle, Friday, 30 October
Climate normal for this date — 60-year average.
Average high54°
Average low37°
Average precipitation0.07 in
Chance of precipitation35%
Record high71° (2008)
Record low15° (2019)
Sat, 3153° / 37°0.11
53 °
Myrtle, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high53°
Average low37°
Average precipitation0.11 in
Chance of precipitation38%
Record high71° (1988)
Record low20° (2002)
Sun, 0152° / 37°0.11
52 °
Myrtle, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.11 in
Chance of precipitation43%
Record high70° (1988)
Record low20° (2002)
Mon, 0253° / 36°0.07
53 °
Myrtle, Monday, 2 November
Climate normal for this date — 60-year average.
Average high53°
Average low36°
Average precipitation0.07 in
Chance of precipitation37%
Record high66° (1981)
Record low20° (2002)
Tue, 0353° / 35°0.04
53 °
Myrtle, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high53°
Average low35°
Average precipitation0.04 in
Chance of precipitation20%
Record high67° (1975)
Record low19° (1973)
Wed, 0452° / 37°0.12
52 °
Myrtle, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.12 in
Chance of precipitation48%
Record high67° (1975)
Record low22° (1973)
Thu, 0552° / 36°0.1
52 °
Myrtle, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high52°
Average low36°
Average precipitation0.1 in
Chance of precipitation47%
Record high67° (2012)
Record low19° (1971)
Fri, 0651° / 36°0.12
51 °
Myrtle, Friday, 6 November
Climate normal for this date — 60-year average.
Average high51°
Average low36°
Average precipitation0.12 in
Chance of precipitation53%
Record high68° (2012)
Record low15° (1971)
Sat, 0750° / 36°0.13
50 °
Myrtle, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high50°
Average low36°
Average precipitation0.13 in
Chance of precipitation47%
Record high68° (1999)
Record low20° (1973)
Sun, 0850° / 34°0.09
50 °
Myrtle, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high50°
Average low34°
Average precipitation0.09 in
Chance of precipitation45%
Record high66° (2016)
Record low18° (1994)
Mon, 0949° / 33°0.09
49 °
Myrtle, Monday, 9 November
Climate normal for this date — 60-year average.
Average high49°
Average low33°
Average precipitation0.09 in
Chance of precipitation47%
Record high64° (2016)
Record low20° (1986)
Tue, 1048° / 33°0.06
48 °
Myrtle, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high48°
Average low33°
Average precipitation0.06 in
Chance of precipitation40%
Record high68° (1989)
Record low13° (2000)
Wed, 1149° / 33°0.07
49 °
Myrtle, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high49°
Average low33°
Average precipitation0.07 in
Chance of precipitation30%
Record high65° (2016)
Record low17° (1986)
Thu, 1248° / 34°0.1
48 °
Myrtle, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high48°
Average low34°
Average precipitation0.1 in
Chance of precipitation38%
Record high71° (1999)
Record low12° (1985)
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 Myrtle, 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 Myrtle, 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.