Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 21%

23:51

19:08

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:56, Set: 19:40, Transit: 13:16. Moon - Rise: 23:51, Set: 19:08. Civil Dark: 20:22 - 06:14. Nautical Dark: 21:14 - 05:22. Astro Dark: 22:12 - 04:25

Total Clouds (% Sky Obscured)

66
87
77
44
73
68
100
100
100
100
75
100
91
86
69
67
67
62
46
43
57
66
58
39

Low Clouds (% Sky Obscured)

56
53
59
44
61
55
65
77
95
89
67
71
74
57
50
57
60
62
46
43
48
56
47
39

Medium Clouds (% Sky Obscured)

19
3
4
2
22
35
77
98
77
73
50
42
73
65
32
31
39
35
18
2
22
24
0
0

High Clouds (% Sky Obscured)

66
15
8
9
70
68
100
100
99
100
39
100
20
15
4
0
0
0
0
1
2
3
9
2

ISS Passover

Visibility (miles)

5
9
8
9
9
9
9
9
6
9
3
9
8
9
8
8
8
6
6
6
4
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
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

95
21
2
9
4
9
62
69
75
95
95
64
72
60
62
67
70
75
62
49
43
47
48
26

Precipitation Amount (mm)

1.3
0
0
0
0
0
0.3
0.3
0.4
0.9
0.6
0
0.3
0
0.2
0.3
0.3
0.5
0.3
0
0
0.2
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
12
12
12
12
12
11
10
11
10
11
11
11
11
10
12
12
12
13
14
14
13
14
13

Dew Point (°C)

13
11
11
11
11
11
11
12
12
12
12
12
12
11
11
11
12
12
12
12
12
12
12
12

Relative Humidity (%)

81
79
87
87
90
90
92
92
92
90
92
95
92
84
87
89
87
86
83
83
82
80
80
82

Pressure (mb)

1002
1002
1001
1001
1000
1000
999
999
998
998
997
997
997
997
998
999
1000
1000
1001
1001
1001
1002
1002
1003

Ozone (du)

282
279
280
280
276
274
274
276
281
280
282
286
289
289
291
289
284
283
281
280
279
278
277
276

Wednesday 17

Waning Crescent 12%

01:38

19:12

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
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

Sun - Rise: 06:58, Set: 19:37, Transit: 13:16. Moon - Rise: 01:38, Set: 19:12. Civil Dark: 20:19 - 06:16. Nautical Dark: 21:10 - 05:25. Astro Dark: 22:08 - 04:28

Total Clouds (% Sky Obscured)

39
47
51
49
44
38
44
39
39
45
47
53
61
68
83
54
70
100
100
100
98
96
99
100

Low Clouds (% Sky Obscured)

39
47
50
49
44
38
44
39
39
45
47
53
61
68
75
51
51
68
40
53
55
52
61
61

Medium Clouds (% Sky Obscured)

1
1
1
0
0
0
2
2
2
2
2
0
8
9
27
0
5
3
68
100
95
96
79
65

High Clouds (% Sky Obscured)

1
8
10
0
0
1
1
2
0
0
0
0
8
2
0
8
39
100
100
45
25
55
81
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
2
1
3
2
2
7
6
1
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
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

17
14
10
7
5
6
8
8
9
12
16
18
24
20
20
14
16
22
28
57
51
33
20
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
13
12
12
12
12
12
12
12
12
12
12
12
11
11
13
14
14
14
15
14
14
14
13

Dew Point (°C)

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

Relative Humidity (%)

83
87
92
93
95
95
95
96
96
96
96
96
96
96
93
86
80
73
66
57
51
49
50
58

Pressure (mb)

1003
1003
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1007
1006
1006
1006

Ozone (du)

275
275
276
276
278
279
277
275
277
277
280
278
275
276
277
278
280
281
283
284
284
280
278
276

Thursday 18

Waning Crescent 6%

03:19

19:13

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:01, Set: 19:33, Transit: 13:16. Moon - Rise: 03:19, Set: 19:13. Civil Dark: 20:15 - 06:19. Nautical Dark: 21:07 - 05:28. Astro Dark: 22:04 - 04:31

Total Clouds (% Sky Obscured)

97
89
91
82
78
96
100
100
100
100
99
87
88
93
90
95
81
78
89
88
93
89
85
81

Low Clouds (% Sky Obscured)

45
59
63
70
61
45
34
43
57
46
38
46
65
68
71
55
60
54
64
72
80
68
56
44

Medium Clouds (% Sky Obscured)

75
71
53
9
50
37
100
95
99
97
95
80
73
80
54
64
49
42
56
53
66
63
69
70

High Clouds (% Sky Obscured)

91
25
20
16
25
80
100
98
100
90
62
0
0
0
0
0
0
0
0
1
4
19
28
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
8
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 (%)

17
21
12
5
6
7
17
38
48
18
9
25
25
14
1
1
0
1
19
28
18
18
21
20

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

Chance of Frost

Temperature (°C)

15
13
12
12
12
11
11
12
12
12
12
12
11
11
11
12
14
14
15
15
16
16
15
15

Feels Like (°C)

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

Dew Point (°C)

9
11
11
11
9
9
10
10
10
10
10
10
10
10
10
11
11
11
11
10
10
10
10
10

Relative Humidity (%)

70
83
90
92
83
90
93
92
90
87
87
90
93
95
93
89
84
82
76
72
67
66
69
73

Pressure (mb)

1006
1006
1007
1007
1007
1007
1006
1006
1006
1005
1005
1005
1005
1005
1005
1006
1006
1007
1007
1008
1008
1008
1008
1009

Ozone (du)

276
275
274
273
273
272
270
268
268
270
272
275
276
277
278
279
279
278
276
275
274
273
269
270

Friday 19

Waning Crescent 2%

04:53

19:12

18 Bad
19 Bad
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
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

Sun - Rise: 07:03, Set: 19:30, Transit: 13:15. Moon - Rise: 04:53, Set: 19:12. Civil Dark: 20:12 - 06:21. Nautical Dark: 21:03 - 05:30. Astro Dark: 22:00 - 04:35

Total Clouds (% Sky Obscured)

69
56
44
55
65
76
71
66
61
72
82
93
94
96
95
97
97
92
93
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
44
44
43
41
39
26
13
0
21
41
64
64
62
65
63
58
62
66
66
61
57
61
67

Medium Clouds (% Sky Obscured)

44
25
2
25
41
59
58
61
61
62
63
63
78
84
71
77
70
74
70
92
93
86
78
67

High Clouds (% Sky Obscured)

41
38
44
50
40
35
38
35
39
43
18
39
36
30
19
50
74
88
92
100
100
99
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
9
9
6
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 (%)

20
15
3
2
1
0
5
29
13
20
27
27
12
1
1
9
16
23
29
34
37
30
22
11

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
75
87
90
93
93
96
98
98
90
87
87
81
80
81
81
75
68
58
53
52
53
54
59

Pressure (mb)

1009
1009
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008
1009
1009
1009
1009
1010
1010
1009
1009
1009
1009
1009

Ozone (du)

269
269
269
268
266
265
265
265
265
266
268
269
270
273
273
272
273
273
273
272
270
270
268
267

Saturday 20

Waning Crescent 0%

06:22

19:11

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:05, Set: 19:27, Transit: 13:15. Moon - Rise: 06:22, Set: 19:11. Civil Dark: 20:09 - 06:24. Nautical Dark: 21:00 - 05:33. Astro Dark: 21:56 - 04:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
97
95
91

Low Clouds (% Sky Obscured)

86
87
88
86
86
85
83
82
81
85
89
93
89
85
81
82
78
75
67
54
33
34
38
37

Medium Clouds (% Sky Obscured)

70
73
76
70
67
63
58
52
43
56
69
82
87
82
89
82
86
86
70
56
49
50
46
40

High Clouds (% Sky Obscured)

100
100
98
100
100
100
100
100
100
98
97
95
97
98
100
100
99
99
68
33
0
5
5
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
6
9
2
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
Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

17
21
25
24
23
40
41
47
59
71
65
49
40
16
14
39
52
68
61
53
38
34
31
27

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
14
13
13
13
13
13
12
12
12
12
11
11
11
11
12
12
13
14
14
15
15
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
75
80
86
87
87
90
93
93
95
96
95
93
95
93
92
83
77
71
67
61
56
61
67

Pressure (mb)

1008
1008
1008
1008
1008
1007
1007
1006
1006
1005
1005
1005
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1004
1004

Ozone (du)

267
267
267
267
269
270
271
272
273
274
275
280
281
281
282
282
283
283
283
283
283
282
282
282

Sunday 21

New Moon 0%

07:48

19:09

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:08, Set: 19:24, Transit: 13:14. Moon - Rise: 07:48, Set: 19:09. Civil Dark: 20:06 - 06:26. Nautical Dark: 20:56 - 05:36. Astro Dark: 21:52 - 04:41

Total Clouds (% Sky Obscured)

85
82
71
78
87
98
99
99
100
100
99
98
92
89
85
90
94
98
96
95
93
94
94
92

Low Clouds (% Sky Obscured)

38
40
45
33
18
0
0
0
1
4
8
11
12
13
15
23
34
36
28
23
12
13
16
19

Medium Clouds (% Sky Obscured)

43
32
30
22
12
7
6
6
3
7
7
12
33
43
52
78
86
90
88
87
85
61
42
23

High Clouds (% Sky Obscured)

16
6
7
35
67
98
99
99
100
100
99
97
78
52
25
30
25
30
27
28
28
29
31
33

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 (%)

23
16
0
3
1
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
7
7
6
5
5
6
6
6
6
6
6
6
5
5
4
3
3
3
2
2
3

Relative Humidity (%)

71
76
81
85
87
88
90
90
91
91
91
90
90
85
82
77
70
65
57
55
53
50
52
56

Pressure (mb)

1005
1006
1006
1007
1007
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

282
281
280
280
280
280
280
281
282
283
284
285
286
289
291
294
296
299
301
302
303
304
304
303

Monday 22

Waxing Crescent 3%

09:13

19:07

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

Sun - Rise: 07:10, Set: 19:21, Transit: 13:14. Moon - Rise: 09:13, Set: 19:07. Civil Dark: 20:03 - 06:28. Nautical Dark: 20:53 - 05:38. Astro Dark: 21:48 - 04:44

Total Clouds (% Sky Obscured)

86
75
68
69
77
89
83
78
76
53
30
7
14
20
27
43
60
79
76
73
70

Low Clouds (% Sky Obscured)

36
54
68
50
33
22
16
9
0
1
0
0
3
9
21
28
36
43
40
38
36

Medium Clouds (% Sky Obscured)

16
8
0
3
3
5
0
0
0
0
2
1
2
7
15
21
28
33
37
39
40

High Clouds (% Sky Obscured)

24
16
12
10
9
10
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
2
2
0
14
14
6
13
11
5
8
7
4
7
8
6
13
14
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
1
1
0

Relative Humidity (%)

60
63
67
70
75
81
88
88
89
89
89
91
91
85
81
75
67
58
50
49
46

Pressure (mb)

1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013

Ozone (du)

303
305
306
307
309
311
312
314
317
319
319
319
319
319
320
320
319
317
316
314
313

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

Generated: 16/09/25 18:15:33. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+3.00