Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 29

Full Moon 100%

23:30

04:00

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK

Sun - Rise: 03:32, Set: 23:11, Transit: 13:19. Moon - Rise: 23:30, Set: 04:00. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
89
91
90
68
37
42
41
28
32
37
56
77
68
36
37
26
32
18
18
36
38
37
37

Low Clouds (% Sky Obscured)

66
79
82
77
68
37
42
41
28
32
37
41
26
37
7
24
0
18
0
11
30
38
37
37

Medium Clouds (% Sky Obscured)

0
0
9
11
4
1
2
3
2
28
4
38
31
37
29
25
21
22
14
0
5
3
0
0

High Clouds (% Sky Obscured)

70
70
75
75
21
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
7
9
9
9
3
4
8
5
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
0
21
28
32
20
11
25
45
51
39
15
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
6
6
7
7
8
8
8
9
9
8
9
9
8
8
6
5
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

13
12
12
12
13
14
15
16
17
18
18
19
19
18
18
18
17
16
14
12
11
11
10
10

Feels Like (°C)

11
11
11
11
11
13
14
15
16
17
17
18
17
16
17
18
18
16
15
13
11
11
11
11

Dew Point (°C)

13
12
12
11
11
10
9
9
9
9
10
9
8
12
14
15
14
13
13
11
10
10
9
9

Relative Humidity (%)

96
96
95
92
87
76
67
61
58
57
60
50
48
66
74
82
83
85
90
90
90
91
93
95

Pressure (mb)

1002
1002
1003
1003
1003
1003
1004
1004
1005
1005
1005
1006
1006
1006
1007
1007
1008
1008
1009
1010
1010
1010
1011
1011

Ozone (du)

342
343
343
342
341
343
345
349
356
359
358
359
357
354
352
352
354
355
355
355
354
350
347
346

Thursday 30

Waning Gibbous 98%

22:58

04:00

04 Bad
05 OK
06 OK
07 OK
08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 03:37, Set: 23:06, Transit: 13:19. Moon - Rise: 22:58, Set: 04:00. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

46
42
9
11
26
44
58
56
98
100
91
86
100
99
89
100
100
100
100
98
100
100
92
93

Low Clouds (% Sky Obscured)

43
42
9
11
14
31
43
39
40
40
38
33
0
3
0
13
59
84
79
85
78
91
87
74

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
42
55
60
62
70
89
97
100
87
100
75
29
30
53
60

High Clouds (% Sky Obscured)

0
3
0
0
1
5
28
8
38
100
52
59
92
50
54
100
100
100
53
60
90
96
29
34

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
3
1
2
0
0
0
5
60
20
10
49
72
95
83
43
17
12
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0
0
0
0.2
1.7
0.5
0
0
0
0

Wind Speed/Direction (mph)

4
3
3
3
4
5
5
6
6
7
6
6
6
5
5
5
4
3
4
4
5
5
4
4

Chance of Frost

Temperature (°C)

10
10
11
13
14
15
17
17
18
19
19
20
19
19
18
18
17
16
15
14
14
14
14
14

Feels Like (°C)

10
9
10
12
13
14
15
15
16
17
17
19
18
17
16
16
16
16
15
13
13
13
13
13

Dew Point (°C)

9
9
10
11
12
12
11
11
11
11
10
9
7
6
7
11
13
12
12
11
11
11
11
11

Relative Humidity (%)

95
95
93
92
86
80
71
65
63
59
55
49
45
44
48
62
74
78
79
83
82
82
83
82

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010

Ozone (du)

347
351
348
343
339
338
335
334
333
331
330
329
329
328
325
325
325
327
329
329
326
326
325
325

Friday 31

Waning Gibbous 94%

22:36

06:07

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 03:42, Set: 23:02, Transit: 13:19. Moon - Rise: 22:36, Set: 06:07. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
100
100
100
100
100
100
91
100
88
65
75
82
96
95
92
95

Low Clouds (% Sky Obscured)

83
84
86
83
90
96
91
78
81
74
59
55
50
46
56
66
76
65
75
82
85
87
89
91

Medium Clouds (% Sky Obscured)

65
83
88
52
79
79
72
100
67
94
54
45
55
23
39
57
72
65
65
65
47
23
0
4

High Clouds (% Sky Obscured)

11
57
70
70
100
100
100
100
98
100
100
100
100
100
74
100
88
65
75
75
57
27
0
15

ISS Passover

Visibility (miles)

9
8
5
9
6
9
7
3
0
0
1
9
3
9
8
7
8
5
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

18
51
89
79
86
65
91
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
74
46

Precipitation Amount (mm)

0
0
0.7
0.3
0.5
0.3
0.7
1.2
1.1
0.6
1.2
0.8
1.1
1.2
1
1.2
1.2
1.1
1.4
1.4
1.2
0.9
0.4
0

Wind Speed/Direction (mph)

4
4
5
5
6
6
7
7
7
7
7
6
6
6
6
5
5
7
7
7
6
6
6
7

Chance of Frost

Temperature (°C)

14
14
14
15
16
16
17
17
17
18
18
19
19
19
19
19
18
18
17
17
16
16
15
15

Feels Like (°C)

13
13
13
14
15
16
17
17
17
18
19
19
20
20
20
20
19
18
19
17
15
14
14
13

Dew Point (°C)

11
11
13
14
15
16
16
17
17
18
18
18
18
18
18
17
17
16
16
16
15
14
14
14

Relative Humidity (%)

83
84
90
95
95
96
96
96
98
98
98
96
93
91
89
88
89
92
95
96
95
90
90
95

Pressure (mb)

1010
1009
1009
1009
1008
1008
1008
1007
1007
1007
1006
1006
1005
1005
1004
1004
1003
1003
1003
1003
1003
1002
1002
1002

Ozone (du)

327
328
329
328
323
316
310
309
309
309
310
311
311
314
315
313
313
316
317
321
322
321
322
324

Saturday 1

Waning Gibbous 89%

22:19

07:59

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 03:46, Set: 22:57, Transit: 13:19. Moon - Rise: 22:19, Set: 07:59. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
99
66
46
57
81
79
77
75
72
74
70
69
67
49
37
35
75
90
100
93
86
78
79

Low Clouds (% Sky Obscured)

93
94
66
46
57
71
73
74
69
65
62
63
67
67
49
37
27
21
13
10
12
9
11
17

Medium Clouds (% Sky Obscured)

8
12
8
4
0
0
0
0
7
14
23
14
7
0
3
6
8
7
10
11
21
32
43
42

High Clouds (% Sky Obscured)

26
36
22
11
0
0
1
0
0
0
0
0
0
0
1
2
1
22
43
60
40
19
5
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
10
24
33
33
37
38
33
24
17
9
8
9
3
4
2
0
9
12
10
6
9
17
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
8
7
8
8
8
8
9
9
9
9
9
9
9
7
6
6
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

14
14
13
13
14
14
14
14
14
15
15
15
17
16
16
15
15
14
12
12
11
10
10
10

Feels Like (°C)

13
12
11
12
13
13
12
12
12
12
12
13
14
13
14
14
13
12
10
9
9
8
8
7

Dew Point (°C)

14
13
12
11
10
11
10
10
11
11
10
11
9
8
9
10
10
11
11
11
10
9
9
9

Relative Humidity (%)

95
93
89
87
80
78
76
78
78
76
73
73
61
59
62
68
74
84
90
95
95
93
93
93

Pressure (mb)

1002
1003
1003
1003
1003
1003
1004
1004
1005
1005
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1009
1009
1009
1009

Ozone (du)

324
325
325
326
330
336
339
341
339
339
338
338
338
339
340
340
340
340
341
342
343
344
344
344

Sunday 2

Waning Gibbous 86%

22:02

09:47

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 03:51, Set: 22:52, Transit: 13:19. Moon - Rise: 22:02, Set: 09:47. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

78
81
82
84
85
83
86
89
90
90
89
89
88
87
80
73
62
56
50
44
52
64
78
86

Low Clouds (% Sky Obscured)

23
29
35
37
43
57
59
61
62
62
63
61
59
59
51
42
33
33
33
33
43
57
72
81

Medium Clouds (% Sky Obscured)

40
54
57
48
41
35
33
31
30
27
26
25
26
29
40
52
62
56
50
44
52
58
59
52

High Clouds (% Sky Obscured)

2
19
49
51
37
31
20
6
23
42
57
64
67
74
72
65
62
56
50
44
52
64
78
83

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
6
18
22
20
29
34
36
40
47
56
50
46
46
42
37
31
25
18
7
10
11
9
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
4
4
4
4
4
5
5
5
4
4
3
3
3
3
3
3
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

10
10
10
11
11
13
13
14
14
14
15
15
15
14
14
14
14
13
12
11
10
10
9
9

Feels Like (°C)

7
7
7
8
9
11
11
11
12
11
11
11
12
13
12
12
12
12
10
9
8
8
8
7

Dew Point (°C)

9
8
8
9
10
11
11
11
11
11
11
11
12
12
13
12
12
12
11
10
9
9
9
8

Relative Humidity (%)

93
91
90
91
92
92
87
84
80
79
79
78
82
86
90
90
92
95
93
95
95
95
95
96

Pressure (mb)

1009
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

345
348
349
349
349
350
350
351
351
351
351
351
351
351
352
352
352
352
353
353
354
353
353
353

Monday 3

Waning Gibbous 81%

21:45

11:36

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 03:55, Set: 22:48, Transit: 13:19. Moon - Rise: 21:45, Set: 11:36. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
100
97
94
91
93
94
94
76
58
41
61
78
95
83
71
62
65
71
76
83
90
97
97

Low Clouds (% Sky Obscured)

91
100
82
66
52
58
62
63
51
42
37
51
70
89
70
53
44
45
43
45
55
56
61
55

Medium Clouds (% Sky Obscured)

45
39
54
69
84
78
70
61
46
30
14
17
21
25
20
15
9
23
37
51
53
56
60
62

High Clouds (% Sky Obscured)

72
70
72
64
60
59
59
54
37
22
10
6
4
1
1
1
0
1
2
3
2
2
2
14

ISS Passover

Visibility (miles)

9
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

30
31
36
40
44
41
37
30
32
33
33
31
29
27
22
17
6
9
9
4
12
16
20
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
5
5
6
7
8
8
8
8
8
8
8
8
8
7
7
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

9
9
9
10
11
12
12
13
13
13
13
13
13
13
13
13
12
12
11
11
10
10
9
9

Feels Like (°C)

7
7
7
8
8
9
9
10
9
10
10
10
10
10
9
9
9
9
8
8
7
7
6
7

Dew Point (°C)

8
8
9
9
10
11
11
11
12
11
12
12
12
12
12
11
11
11
10
10
9
9
8
9

Relative Humidity (%)

95
95
96
95
93
93
93
92
92
92
92
92
92
93
93
92
90
92
92
93
93
93
93
95

Pressure (mb)

1012
1012
1012
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

352
351
350
350
350
349
349
349
349
349
349
349
348
348
348
348
349
349
349
349
349
350
350
350

Tuesday 4

Waning Gibbous 72%

21:24

13:33

Sun - Rise: N/A, Set: 22:43, Transit: 13:19. Moon - Rise: 21:24, Set: 13:33. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Tähtelä, Pohjois-Lappi, Finland (67.37,26.63)

Generated: 29/07/26 04:56:07. Forecast: 29/07/26 to 04/08/26. Timezone: UTC+3.00