Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

First Quarter 52%

15:02

23:12

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
04 Bad

Sun - Rise: 04:40, Set: 22:19, Transit: 13:28. Moon - Rise: 15:02, Set: 23:12. Civil Dark: 23:31 - 03:30. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

62
70
77
100
100
100
100
100
100
99
100
100
100
100
100
99
99
97
99
98
100
100
100
100

Low Clouds (% Sky Obscured)

37
13
15
35
65
68
62
72
67
97
98
95
90
88
94
85
94
89
85
95
92
80
65
35

Medium Clouds (% Sky Obscured)

62
70
77
100
100
100
100
99
97
95
100
100
100
100
98
98
98
94
96
92
97
98
100
100

High Clouds (% Sky Obscured)

62
70
77
100
100
100
100
100
100
73
31
71
72
0
1
10
35
46
65
46
87
100
100
100

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

Precipitation Probability (%)

26
65
70
14
21
23
28
33
38
45
51
60
73
68
43
21
12
7
12
11
4
9
10
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
11
11
11
11
10
10
10
9
8
8
7
7
7
6
5
5
5
5
5
4
4

Chance of Frost

Temperature (°C)

12
11
11
12
12
13
13
13
14
13
13
13
12
11
11
11
11
10
10
10
10
10
10
10

Feels Like (°C)

8
7
8
7
8
9
9
10
11
11
11
11
10
9
9
9
9
9
9
9
8
8
8
8

Dew Point (°C)

6
6
5
5
5
5
5
6
6
9
11
11
11
10
10
10
10
9
9
9
9
9
9
8

Relative Humidity (%)

70
68
65
62
61
59
59
59
61
72
84
89
92
92
93
95
93
93
93
95
93
93
91
90

Pressure (mb)

1015
1015
1014
1014
1014
1014
1014
1013
1013
1014
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010

Ozone (du)

333
332
332
332
334
335
336
336
338
341
344
346
348
349
349
349
349
349
350
350
350
350
350
350

Wednesday 22

Waxing Gibbous 62%

16:34

23:13

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 OK
03 Bad
04 OK

Sun - Rise: 04:42, Set: 22:17, Transit: 13:28. Moon - Rise: 16:34, Set: 23:13. Civil Dark: 23:27 - 03:33. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
98
97
97
100
100
94
98
99
100
100
100
100
100
94
72
54
54
84
92
92
45
70
31

Low Clouds (% Sky Obscured)

43
53
54
65
74
74
78
92
97
100
100
96
100
100
70
35
0
0
0
38
30
3
4
16

Medium Clouds (% Sky Obscured)

100
92
82
83
95
90
76
68
50
73
92
92
80
78
77
55
47
32
56
66
56
20
42
2

High Clouds (% Sky Obscured)

100
52
29
25
30
32
37
19
3
7
6
3
2
2
1
5
13
26
28
16
27
41
25
31

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 (%)

11
19
21
17
26
28
20
12
7
9
5
6
1
1
2
3
1
2
4
6
4
2
1
1

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
4
5
5
5
5
5
4
4
4
4
4
4
3
3
3
2
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
9
10
10
10
10
9
7
5
4
4
5
7
8
9
9
8
8
7
7
6
5

Relative Humidity (%)

90
88
88
88
89
89
86
79
70
60
53
50
50
54
63
69
74
83
88
87
84
83
77
77

Pressure (mb)

1010
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

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

Thursday 23

Waxing Gibbous 72%

18:07

23:17

05 Bad
06 OK
07 OK
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 OK
21 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 04:44, Set: 22:15, Transit: 13:28. Moon - Rise: 18:07, Set: 23:17. Civil Dark: 23:24 - 03:36. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

54
18
25
73
62
67
75
61
75
67
77
76
70
81
69
45
40
43
37
42
54
54
73
86

Low Clouds (% Sky Obscured)

13
0
0
34
54
62
75
58
43
52
58
44
22
34
12
21
16
11
5
5
0
0
6
16

Medium Clouds (% Sky Obscured)

21
5
15
44
18
18
19
25
30
21
18
14
10
12
15
15
19
20
17
23
30
36
41
45

High Clouds (% Sky Obscured)

29
14
4
4
3
3
2
2
4
3
2
3
3
3
1
1
1
1
0
0
0
0
12
23

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 (%)

0
1
1
0
0
0
0
3
5
17
20
13
6
15
3
2
1
0
0
1
0
0
1
1

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)

3
3
3
4
4
5
5
6
6
6
6
5
5
4
4
4
3
3
3
3
2
2
2
2

Chance of Frost

Temperature (°C)

8
9
11
13
14
16
17
17
18
19
19
18
18
18
17
17
15
14
13
12
11
10
10
10

Feels Like (°C)

7
8
11
13
14
16
16
16
17
18
18
17
17
17
17
17
16
14
12
10
10
9
9
9

Dew Point (°C)

6
6
7
6
5
5
5
4
3
3
2
3
7
10
11
9
10
10
8
7
6
6
6
6

Relative Humidity (%)

84
82
73
63
55
48
44
41
36
34
33
35
49
62
66
60
70
78
72
72
72
74
77
74

Pressure (mb)

1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

352
351
351
351
352
350
349
349
349
348
349
350
350
350
350
351
351
351
351
352
353
355
356
357

Friday 24

Waxing Gibbous 80%

19:39

23:28

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 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 04:46, Set: 22:13, Transit: 13:28. Moon - Rise: 19:39, Set: 23:28. Civil Dark: 23:21 - 03:40. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
96
94
93
93
93
93
96
98
97
100
100
65
40
36
29
29
46
52
59
63
70
77
85

Low Clouds (% Sky Obscured)

21
32
43
54
60
66
72
71
66
62
48
38
26
25
23
21
14
7
0
14
28
42
43
43

Medium Clouds (% Sky Obscured)

43
38
33
29
28
25
21
23
26
27
29
29
31
26
23
17
20
20
46
43
37
30
44
60

High Clouds (% Sky Obscured)

26
13
6
1
2
2
3
13
25
73
100
100
52
26
15
6
5
29
35
36
38
44
46
48

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

Precipitation Probability (%)

0
20
31
44
50
55
55
49
46
44
37
29
22
21
18
4
3
1
0
0
1
1
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
2
2
3
3
4
4
4
5
5
6
7
7
7
6
5
4
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
7
8
9
9
10
9
9
8
7
6
5
6
7
8
10
12
12
11
10
11
11
11
11

Relative Humidity (%)

73
73
73
74
71
68
62
56
52
49
43
41
41
44
52
64
75
87
90
90
92
92
92
90

Pressure (mb)

1010
1010
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008

Ozone (du)

357
357
355
353
351
348
345
344
342
339
339
339
339
340
337
334
331
329
328
328
327
327
328
328

Saturday 25

Waxing Gibbous 87%

20:57

23:55

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
04 Bad

Sun - Rise: 04:49, Set: 22:11, Transit: 13:29. Moon - Rise: 20:57, Set: 23:55. Civil Dark: 23:17 - 03:43. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
91
92
93
95
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
96

Low Clouds (% Sky Obscured)

44
39
33
28
37
47
56
65
66
63
62
60
57
59
62
66
68
69
71
66
61
56
56
59

Medium Clouds (% Sky Obscured)

75
73
82
76
87
94
99
99
100
100
99
99
98
98
97
96
97
97
98
94
89
86
78
70

High Clouds (% Sky Obscured)

53
56
65
73
81
90
100
100
100
100
96
91
88
91
95
100
100
100
100
97
93
88
85
81

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
4
6
7
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
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
7
25
53
43
70
68
68
65
60
55
53
46
39
35
40
50
58
56
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0
0
0
0
0.3
0.4
0.3
0.3

Wind Speed/Direction (mph)

4
4
6
8
10
10
11
12
11
12
13
11
9
8
7
7
7
7
6
6
7
7
8
8

Chance of Frost

Temperature (°C)

13
13
15
16
17
18
18
18
16
18
19
18
17
17
16
16
16
16
15
15
15
15
15
15

Feels Like (°C)

12
12
13
14
15
15
15
15
15
16
16
16
16
16
16
15
15
14
14
15
15
15
14
15

Dew Point (°C)

11
11
11
11
12
11
11
12
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14

Relative Humidity (%)

92
87
79
74
70
63
61
64
87
77
71
74
79
85
86
86
87
87
89
90
90
90
89
89

Pressure (mb)

1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

329
329
329
330
332
334
335
334
334
333
332
332
331
331
331
331
330
331
331
331
332
332
332
333

Sunday 26

Waxing Gibbous 93%

21:45

00:55

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 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 04:51, Set: 22:08, Transit: 13:29. Moon - Rise: 21:45, Set: 00:55. Civil Dark: 23:14 - 03:46. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
97
96
95
91
88
84
72
62
53
46
58
59
53
47
41
56
69
80
83
91
99
99
98

Low Clouds (% Sky Obscured)

59
60
56
52
50
42
33
32
29
29
40
35
24
16
8
0
13
26
37
30
32
35
27
16

Medium Clouds (% Sky Obscured)

69
69
64
68
64
66
75
67
59
53
46
51
51
49
44
36
36
35
35
43
55
70
65
63

High Clouds (% Sky Obscured)

74
78
82
88
77
69
65
72
62
53
46
58
43
29
14
1
14
28
44
44
51
50
62
69

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

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

Precipitation Probability (%)

56
54
51
45
42
38
29
32
35
39
44
37
32
31
15
2
3
1
0
0
0
0
2
5

Precipitation Amount (mm)

0.3
0.3
0.2
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
8
9
9
9
10
10
9
9
9
8
7
6
5
4
3
3
2
3
4
4
4

Chance of Frost

Temperature (°C)

15
15
16
17
18
19
19
20
20
21
21
21
22
22
21
20
19
18
18
17
17
17
17
17

Feels Like (°C)

15
15
14
14
14
18
17
17
17
17
17
21
22
21
22
22
23
19
19
19
19
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

89
89
81
72
65
59
54
49
45
43
40
41
44
45
52
62
71
70
71
69
72
72
73
77

Pressure (mb)

1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

334
335
335
335
336
336
336
336
336
336
336
336
336
336
336
337
337
337
338
338
339
339
340
340

Monday 27

Waxing Gibbous 97%

22:06

02:20

Sun - Rise: 04:53, Set: 22:06, Transit: 13:28. Moon - Rise: 22:06, Set: 02:20. Civil Dark: 23:11 - 03:49. 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 Vols, Helsinki, Finland (60.17,24.39)

Generated: 21/07/26 05:26:03. Forecast: 21/07/26 to 27/07/26. Timezone: UTC+3.00