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As of 19:20 CDT

Weather in Siam, IA

65°Current weather

Siam, Wednesday, 21 October, 19:20

Clear. Feels like 65°. High 75°, low 53°.

Pressure30.18 inHg
Wind0 mph N
Humidity63%
Visibility6.2 mi
Dew point54°

10-day forecast for Siam, IA: 37° to 78°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

78°
Best day: Thursday, October 22
48° · 0.11 in
Worst day: Wednesday, October 28

Tap any day below to see morning, afternoon, evening and overnight.

Thu, 2278° / 54°0Clear
MorningClear55°feels 55°
AfternoonClear76°feels 76°
EveningClear64°feels 64°
OvernightClear57°feels 56°
78 °Clear

Siam, Thursday, 22 October

Clear. High 78°, low 54°.

Pressure30.21 inHg
Wind5.4 mph S
Humidity55%
Visibility6.2 mi
Dew point55°
Fri, 2375° / 56°0Overcast
MorningClear56°feels 55°
AfternoonOvercast74°feels 73°
EveningOvercast67°feels 65°
OvernightClear60°feels 60°
75 °Overcast

Siam, Friday, 23 October

Overcast. High 75°, low 56°.

Pressure30.15 inHg
Wind12.3 mph SE
Humidity54%
Visibility6.2 mi
Dew point53°
Sat, 2475° / 58°0Clear
MorningOvercast58°feels 57°
AfternoonPartly cloudy74°feels 73°
EveningOvercast66°feels 65°
OvernightOvercast62°feels 61°
75 °Clear

Siam, Saturday, 24 October

Clear. High 75°, low 58°.

Pressure30.21 inHg
Wind10.8 mph S
Humidity51%
Visibility6.2 mi
Dew point52°
Sun, 2575° / 57°0Overcast
MorningOvercast59°feels 58°
AfternoonOvercast74°feels 73°
EveningOvercast67°feels 66°
OvernightOvercast61°feels 60°
75 °Overcast

Siam, Sunday, 25 October

Overcast. High 75°, low 57°.

Pressure30.27 inHg
Wind7.1 mph S
Humidity55%
Visibility6.2 mi
Dew point53°
Mon, 2670° / 55°0.06Light rain
MorningLight rain61°feels 60°
AfternoonLight rain67°feels 66°
EveningLight rain64°feels 63°
OvernightLight rain56°feels 55°
70 °Light rain

Siam, Monday, 26 October

Light rain. High 70°, low 55°.

Pressure30.18 inHg
Wind9.6 mph NW
Humidity57%
Visibility—
Dew point51°
Tue, 2757° / 48°0.06Light rain
MorningLight rain51°feels 47°
AfternoonLight rain56°feels 55°
EveningLight rain55°feels 54°
OvernightLight rain50°feels 49°
57 °Light rain

Siam, Tuesday, 27 October

Light rain. High 57°, low 48°.

Pressure30.18 inHg
Wind11.6 mph NW
Humidity80%
Visibility—
Dew point48°
Wed, 2848° / 40°0.11Light rain
MorningLight rain46°feels 39°
AfternoonLight rain46°feels 39°
EveningLight rain44°feels 38°
OvernightLight rain41°feels 36°
48 °Light rain

Siam, Wednesday, 28 October

Light rain. High 48°, low 40°.

Pressure30.30 inHg
Wind17.7 mph NW
Humidity74%
Visibility—
Dew point38°
Thu, 2951° / 37°0Overcast
MorningOvercast40°feels 36°
AfternoonOvercast48°feels 46°
EveningOvercast43°feels 43°
OvernightOvercast40°feels 37°
51 °Overcast

Siam, Thursday, 29 October

Overcast. High 51°, low 37°.

Pressure30.42 inHg
Wind7.3 mph N
Humidity45%
Visibility—
Dew point27°
Fri, 3059° / 38°0Overcast
MorningOvercast43°feels 38°
AfternoonOvercast56°feels 54°
EveningOvercast53°feels 52°
OvernightOvercast49°feels 47°
59 °Overcast

Siam, Friday, 30 October

Overcast. High 59°, low 38°.

Pressure30.03 inHg
Wind17.2 mph S
Humidity51%
Visibility—
Dew point36°

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 Siam, IA 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.