Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 20

Waxing Crescent 20%

No Rise

02:46

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

Sun - Rise: 04:28, Set: 22:07, Transit: 13:19. Moon - Rise: No Rise, Set: 02:46. Civil Dark: 23:17 - 03:17. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
91
85
81
79
71
89
88
76
65
52
43
71
45
44
35
78
50
92
71
77
57
57
64

Low Clouds (% Sky Obscured)

92
91
85
81
74
64
75
63
49
53
44
37
27
21
3
0
0
0
2
0
0
0
0
22

Medium Clouds (% Sky Obscured)

0
0
0
2
0
3
50
67
58
32
22
2
41
37
44
35
48
19
16
12
49
23
31
57

High Clouds (% Sky Obscured)

0
0
0
1
1
2
15
42
37
10
3
20
32
1
3
1
73
50
70
21
35
20
20
22

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0

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)

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

Chance of Frost

Temperature (°C)

12
14
15
16
17
18
19
19
19
19
19
20
19
17
14
12
11
11
11
10
10
10
11
12

Feels Like (°C)

11
13
15
16
16
16
18
18
18
18
18
20
20
17
14
12
11
10
10
8
8
9
9
11

Dew Point (°C)

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

Relative Humidity (%)

87
82
74
67
63
59
56
52
53
55
54
51
56
64
68
73
77
77
80
80
81
80
77
71

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

361
361
360
356
353
352
351
354
355
353
351
352
350
347
346
343
342
342
343
342
341
340
340
340

Thursday 21

Waxing Crescent 30%

08:42

02:50

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 04:26, Set: 22:09, Transit: 13:19. Moon - Rise: 08:42, Set: 02:50. Civil Dark: 23:20 - 03:14. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
98
100
100
98
96
95
100
100
100
100
100
100
100
100
100
92
100
100
100
70
68
94
100

Low Clouds (% Sky Obscured)

30
25
26
15
32
39
37
37
34
5
1
0
0
0
0
1
0
0
0
4
13
10
16
50

Medium Clouds (% Sky Obscured)

91
96
100
99
93
88
90
96
100
96
97
91
94
100
100
100
86
85
85
85
63
66
92
100

High Clouds (% Sky Obscured)

21
92
100
98
68
36
21
99
20
93
100
100
100
95
95
100
67
100
100
97
32
45
30
20

ISS Passover

Visibility (miles)

9
9
9
9
9
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4

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

Precipitation Probability (%)

0
0
14
23
53
54
15
2
5
19
13
8
5
16
31
44
36
8
1
0
4
25
61
73

Precipitation Amount (mm)

0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
16
15
15
14
14
14
15
15
15
15
15
13
12
11
11
10
9
9
8
8
9
10

Feels Like (°C)

12
14
15
14
14
13
13
14
15
15
15
14
14
13
11
10
10
10
7
7
7
7
8
8

Dew Point (°C)

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

Relative Humidity (%)

68
61
59
65
74
86
92
90
89
87
84
83
84
92
96
96
95
91
87
87
88
88
90
91

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018

Ozone (du)

341
343
345
344
344
344
344
344
346
346
347
348
349
349
349
349
349
351
355
357
364
368
371
377

Friday 22

Waxing Crescent 42%

10:31

02:52

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
05 Bad
06 Bad
07 OK

Sun - Rise: 04:24, Set: 22:11, Transit: 13:19. Moon - Rise: 10:31, Set: 02:52. Civil Dark: 23:24 - 03:11. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
99
100
99
97
100
100
100
100
94
76
75
85
75
67
89
90
85
81
77
56
35

Low Clouds (% Sky Obscured)

80
91
97
95
99
80
84
77
68
67
66
57
60
63
76
62
59
80
81
76
71
66
48
31

Medium Clouds (% Sky Obscured)

100
97
100
85
100
93
66
98
100
93
66
57
42
29
10
22
12
23
26
21
17
12
8
4

High Clouds (% Sky Obscured)

0
16
0
0
19
0
62
100
73
48
100
9
1
0
0
0
0
0
0
0
1
2
0
2

ISS Passover

Visibility (miles)

9
9
8
9
9
9
8
5
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

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

Precipitation Probability (%)

79
73
66
61
58
77
84
82
94
81
60
37
24
3
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.7
0.5
0
0.2
0.4
0.8
0.7
0.9
1.4
0.7
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
10
9
9
9
9
10
9
9
9
9
9
10
10
9
9
9
8
8
8
8
8

Relative Humidity (%)

95
93
91
93
79
75
70
67
75
64
71
68
68
75
81
91
96
98
98
96
96
98
91
83

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020

Ozone (du)

379
380
382
382
377
372
366
363
362
361
361
363
365
367
369
370
368
367
362
360
361
360
358
356

Saturday 23

First Quarter 53%

12:11

02:52

08 Good
09 Good
10 Good
11 Good
12 OK
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
05 Bad
06 Bad
07 Bad

Sun - Rise: 04:22, Set: 22:13, Transit: 13:19. Moon - Rise: 12:11, Set: 02:52. Civil Dark: 23:27 - 03:07. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

14
9
5
0
25
50
74
82
89
96
94
91
90
93
97
100
100
94
95
100
100
100
99
92

Low Clouds (% Sky Obscured)

14
9
5
0
0
0
0
0
0
0
0
0
0
23
59
80
77
77
75
81
83
80
83
84

Medium Clouds (% Sky Obscured)

0
0
0
0
25
47
70
61
50
39
26
22
23
47
75
100
81
65
52
90
31
25
20
15

High Clouds (% Sky Obscured)

5
5
4
0
17
16
34
57
73
93
80
82
90
93
97
100
73
37
9
45
56
90
63
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
38
30
68
95
95
95
95
39
23
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
1.1
2.2
1.4
0.7
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
15
17
18
20
21
21
22
21
21
20
18
16
14
13
12
11
11
11
11
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

9
8
8
7
6
6
6
7
7
8
9
8
9
10
10
10
10
10
11
11
11
9
10
9

Relative Humidity (%)

74
64
54
46
40
38
37
38
40
43
49
52
65
80
83
90
93
96
100
96
92
84
86
80

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1016
1016
1015
1014
1013
1013
1013
1013
1014

Ozone (du)

355
355
355
354
352
351
349
349
347
346
346
345
347
350
354
363
366
365
364
367
377
379
379
379

Sunday 24

Waxing Gibbous 63%

13:44

02:51

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

Sun - Rise: 04:20, Set: 22:16, Transit: 13:19. Moon - Rise: 13:44, Set: 02:51. Civil Dark: 23:30 - 03:04. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

76
82
82
79
78
75
76
63
54
47
62
80
90
33
37
41
53
64
77
69
62
57
72
78

Low Clouds (% Sky Obscured)

76
79
74
64
64
64
61
56
44
34
23
11
0
29
15
2
16
31
49
37
26
14
17
19

Medium Clouds (% Sky Obscured)

11
10
8
6
55
64
57
33
27
20
31
44
55
0
0
1
10
14
27
36
52
57
60
59

High Clouds (% Sky Obscured)

0
0
0
0
10
15
15
4
0
0
32
63
90
13
27
40
29
18
6
37
62
57
66
39

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
39
45
34
42
29
19
13
5
8
0
0
0
3
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
9
9
9
8
8
9
9
8
8
8
8
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

76
70
69
75
70
69
71
55
55
58
57
57
59
62
67
69
73
75
77
78
80
82
84
76

Pressure (mb)

1014
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1017
1017
1018
1018
1019
1019
1019
1020
1020
1020

Ozone (du)

378
372
372
382
379
377
373
370
371
372
377
374
367
363
362
361
360
357
354
350
348
346
344
343

Monday 25

Waxing Gibbous 73%

15:12

02:51

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 04:18, Set: 22:18, Transit: 13:19. Moon - Rise: 15:12, Set: 02:51. Civil Dark: 23:34 - 03:01. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

74
81
89
98
98
95
89
80
77
76
83
88
91
83
73
61
68
76
83
75
67
62
57
59

Low Clouds (% Sky Obscured)

21
33
48
49
45
47
51
38
26
13
16
19
21
18
13
5
4
4
4
16
28
39
29
20

Medium Clouds (% Sky Obscured)

52
36
19
2
12
22
34
33
34
36
46
55
66
65
52
39
51
63
75
61
47
32
27
22

High Clouds (% Sky Obscured)

10
37
68
98
98
95
89
69
42
27
29
23
19
19
13
12
12
12
11
12
13
14
16
16

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 (%)

1
9
10
3
3
2
1
2
1
0
0
0
0
0
0
0
0
0
0
3
1
0
9
13

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)

9
10
11
11
12
12
12
12
12
12
12
12
11
10
9
8
7
6
5
4
4
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
12
12
12
12
12
13
16
15
15
15
16
16
9
9
9
8
8
7
5
6
7
7

Dew Point (°C)

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

Relative Humidity (%)

69
62
57
52
47
44
41
38
38
37
37
40
42
47
53
59
66
69
74
78
78
80
81
72

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

342
341
340
340
340
340
340
340
338
336
335
333
332
330
331
331
332
334
336
338
339
339
340
337

Tuesday 26

Waxing Gibbous 82%

16:39

02:50

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 OK
00 Bad
01 Bad
02 Bad

Sun - Rise: 04:17, Set: 22:20, Transit: 13:19. Moon - Rise: 16:39, Set: 02:50. Civil Dark: 23:37 - 02:58. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

57
77
88
98
98
98
98
95
93
89
88
88
87
73
56
38
55
72
89

Low Clouds (% Sky Obscured)

13
25
42
57
70
78
84
80
75
71
70
61
39
32
24
17
24
32
41

Medium Clouds (% Sky Obscured)

17
37
60
86
76
66
57
40
26
13
22
26
15
20
19
24
19
20
20

High Clouds (% Sky Obscured)

16
13
10
8
4
1
0
0
0
0
0
0
0
0
0
0
30
60
89

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

15
22
31
35
33
28
21
20
17
10
9
7
2
3
2
0
28
37
40

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
15
14
14
14
14
14
10
12
13
13
14
15
11
11
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

66
59
59
59
58
67
74
83
70
60
50
56
61
68
71
75
78
83
87

Pressure (mb)

1022
1022
1022
1022
1021
1021
1021
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1016
1016

Ozone (du)

334
331
331
331
332
332
333
334
334
335
335
334
334
333
334
335
336
337
339

Forecast for Vols, Helsinki, Finland (60.17,24.39)

Generated: 20/05/26 08:12:04. Forecast: 20/05/26 to 26/05/26. Timezone: UTC+3.00