Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 30%

23:51

19:08

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:54, Set: 19:40, Transit: 13:17. Moon - Rise: 23:51, Set: 19:08. Civil Dark: 20:22 - 06:11. Nautical Dark: 21:14 - 05:20. Astro Dark: 22:12 - 04:21

Total Clouds (% Sky Obscured)

42
98
100
87
87
100
100
100
100
100
100
100
93
87
87
50
63
70
67
87
73
74
79
78

Low Clouds (% Sky Obscured)

46
54
61
69
94
100
92
92
90
84
63
55
55
62
53
44
60
54
61
67
56
60
68
64

Medium Clouds (% Sky Obscured)

26
26
76
96
84
55
64
48
79
35
32
31
24
24
19
19
19
40
54
56
7
0
17
38

High Clouds (% Sky Obscured)

70
98
99
100
99
100
100
100
100
100
32
54
15
0
0
75
63
70
67
20
15
40
59
66

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
6
4
4
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
100
100
100
0
100
100
100
100
100
0
100
100
100
95
95
75
50
41
19
5
19

Precipitation Amount (mm)

0
0
0
0.4
0.4
0.4
0
0.2
0.6
0.3
0.3
0.4
0
0.5
0.3
0.2
0
4.6
0.5
0
0
0
0
0

Wind Speed/Direction (mph)

13
18
19
15
15
16
17
17
16
17
18
19
15
14
13
13
11
10
9
9
7
7
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
90
90
92
90
91
89
91
93
92
95
93
88
87
87
82
82
80
80
86
87
89
92

Pressure (mb)

1008
1007
1007
1006
1006
1005
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002
1001
1001
1000
1000

Ozone (du)

257
256
256
259
258
259
262
265
265
267
270
273
278
280
283
284
283
283
281
279
280
281
280
276

Wednesday 17

Waning Crescent 21%

No Rise

19:12

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:56, Set: 19:37, Transit: 13:16. Moon - Rise: No Rise, Set: 19:12. Civil Dark: 20:19 - 06:14. Nautical Dark: 21:10 - 05:22. Astro Dark: 22:08 - 04:25

Total Clouds (% Sky Obscured)

99
100
99
99
100
100
94
39
39
64
64
69
50
48
53
69
68
72
69
76
82
85
77
76

Low Clouds (% Sky Obscured)

67
73
84
71
73
82
72
39
39
59
64
68
50
42
48
56
60
58
56
65
67
73
57
57

Medium Clouds (% Sky Obscured)

37
89
86
73
61
37
52
26
32
32
41
41
0
20
8
23
28
0
0
0
0
1
1
0

High Clouds (% Sky Obscured)

81
100
86
95
100
100
20
1
0
1
0
0
0
0
0
1
1
18
17
13
6
13
27
22

ISS Passover

Visibility (miles)

9
8
9
9
9
5
2
3
9
9
6
6
6
7
5
8
5
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

59
84
80
95
95
85
86
64
56
65
73
72
57
45
40
49
49
34
25
11
18
26
27
29

Precipitation Amount (mm)

0.3
0.6
0.4
1.1
1.3
0.2
0.5
0.2
0
0.3
0.4
0.5
0.2
0
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
12
12
12
12
12
11
11
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11

Relative Humidity (%)

93
90
92
92
92
96
92
87
90
90
89
86
84
82
82
79
83
84
87
89
92
92
92
92

Pressure (mb)

999
999
998
998
997
997
997
997
998
999
999
1000
1001
1001
1001
1001
1002
1002
1003
1003
1003
1004
1004
1004

Ozone (du)

275
276
279
281
281
281
285
284
284
286
287
284
281
280
279
278
277
275
275
274
274
275
278
280

Thursday 18

Waning Crescent 12%

01:38

19:13

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:58, Set: 19:33, Transit: 13:16. Moon - Rise: 01:38, Set: 19:13. Civil Dark: 20:15 - 06:16. Nautical Dark: 21:07 - 05:25. Astro Dark: 22:04 - 04:28

Total Clouds (% Sky Obscured)

73
78
76
79
79
82
82
81
65
80
78
77
77
100
100
100
100
89
84
96
97
97
99
95

Low Clouds (% Sky Obscured)

60
71
76
79
79
79
79
76
64
51
50
73
50
58
58
72
52
51
61
57
65
71
72
61

Medium Clouds (% Sky Obscured)

0
1
0
1
0
11
18
15
0
0
0
50
67
96
89
98
73
57
65
43
92
92
96
90

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
3
51
57
52
52
54
100
100
100
39
45
90
66
0
0
2

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
2
1
3
2
2
7
6
1
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
None
None
None
None
None
None
None

Precipitation Probability (%)

16
14
10
27
19
19
23
22
19
16
13
13
43
65
38
39
9
4
10
11
12
10
8
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
93
93
93
93
95
95
95
89
80
73
68
61
56
53
50
55
62
76
90
92
84
84

Pressure (mb)

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

Ozone (du)

278
275
275
276
277
276
273
274
275
275
276
278
278
278
277
276
276
273
272
270
270
270
270
270

Friday 19

Waning Crescent 6%

03:19

19:12

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
18 Bad
19 OK
20 OK
21 Good
22 Good
23 Good

Sun - Rise: 07:01, Set: 19:30, Transit: 13:16. Moon - Rise: 03:19, Set: 19:12. Civil Dark: 20:12 - 06:19. Nautical Dark: 21:03 - 05:28. Astro Dark: 22:00 - 04:31

Total Clouds (% Sky Obscured)

97
100
100
100
93
92
86
67
50
61
73
84
84
84
85
78
72
65
47
28
10
9
7
6

Low Clouds (% Sky Obscured)

54
55
62
67
76
74
69
51
35
44
54
63
56
49
43
41
40
39
29
19
9
8
7
6

Medium Clouds (% Sky Obscured)

95
98
99
100
63
54
52
29
25
30
36
38
48
54
63
56
51
44
31
15
3
0
1
2

High Clouds (% Sky Obscured)

25
79
87
19
43
20
10
8
15
1
0
0
0
2
3
47
40
32
35
22
10
9
7
6

ISS Passover

Visibility (miles)

9
9
9
9
6
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
14
31
33
31
31
8
2
1
0
1
4
3
9
5
6
17
8
10
10
5
4
3
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
90
92
90
95
96
96
93
87
80
73
62
57
57
62
67
74
83
95
96
96
98

Pressure (mb)

1006
1006
1005
1005
1005
1005
1005
1005
1006
1006
1007
1007
1008
1008
1009
1009
1009
1009
1010
1010
1011
1011
1012
1012

Ozone (du)

269
270
269
269
271
273
273
273
274
275
274
274
274
273
270
268
266
264
265
265
264
264
263
262

Saturday 20

Waning Crescent 2%

04:53

19:11

00 OK
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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:03, Set: 19:27, Transit: 13:15. Moon - Rise: 04:53, Set: 19:11. Civil Dark: 20:09 - 06:21. Nautical Dark: 21:00 - 05:30. Astro Dark: 21:56 - 04:35

Total Clouds (% Sky Obscured)

29
55
77
85
93
100
91
82
73
82
91
98
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

6
5
5
10
15
10
8
15
25
2
15
14
21
13
24
40
60
80
77
74
71
76
79
83

Medium Clouds (% Sky Obscured)

15
20
25
26
37
20
31
36
45
41
77
72
82
73
90
78
74
91
88
85
61
81
68
46

High Clouds (% Sky Obscured)

29
55
77
85
93
100
78
52
29
57
72
95
96
100
97
99
99
96
100
100
100
94
87
81

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 (%)

3
6
15
2
13
10
4
4
4
7
4
3
3
1
3
0
5
8
16
22
23
16
10
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
90
87
85
84
83
77
76
74
69
67
67
55
59
62
62
69
75
79
83
82
84

Pressure (mb)

1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1008

Ozone (du)

262
262
262
262
262
262
263
264
263
264
265
267
267
268
270
271
273
274
274
274
276
277
279
279

Sunday 21

New Moon 0%

06:22

19:09

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:05, Set: 19:24, Transit: 13:15. Moon - Rise: 06:22, Set: 19:09. Civil Dark: 20:06 - 06:24. Nautical Dark: 20:56 - 05:33. Astro Dark: 21:52 - 04:38

Total Clouds (% Sky Obscured)

99
100
92
86
87
91
94
97
99
99
99
99
97
96
96
88
79
72
74
73
73
78
89
100

Low Clouds (% Sky Obscured)

83
83
82
86
87
91
90
84
77
79
80
82
82
81
77
62
57
46
51
53
61
41
20
0

Medium Clouds (% Sky Obscured)

35
22
7
24
42
65
74
83
89
92
95
98
90
82
74
53
35
15
20
15
20
21
16
12

High Clouds (% Sky Obscured)

87
94
92
77
58
42
62
76
93
97
98
98
67
33
0
0
0
0
1
1
2
38
71
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
6
6
10
8
2
6
11
18
38
52
67
63
57
46
43
40
37
32
25
15
15
14
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
90
90
92
92
86
82
76
71
67
62
65
66
69
73
75
79
84
89
93
93
95

Pressure (mb)

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

Ozone (du)

279
280
282
284
284
285
285
285
286
286
287
288
288
288
288
288
287
286
286
286
286
286
286
286

Monday 22

Waxing Crescent 0%

07:48

19:07

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

Sun - Rise: 07:08, Set: 19:21, Transit: 13:14. Moon - Rise: 07:48, Set: 19:07. Civil Dark: 20:03 - 06:26. Nautical Dark: 20:53 - 05:36. Astro Dark: 21:48 - 04:41

Total Clouds (% Sky Obscured)

100
99
98
83
60
44
45
46
42
47
49
57
56
55
54
55
58
62
55
48
41
61
80
100

Low Clouds (% Sky Obscured)

0
1
8
13
10
4
8
13
19
29
40
47
43
26
19
29
41
54
49
43
37
42
41
42

Medium Clouds (% Sky Obscured)

10
7
8
5
3
0
0
0
0
0
0
0
0
1
1
27
53
60
55
48
41
61
80
99

High Clouds (% Sky Obscured)

99
97
95
83
60
44
45
34
0
0
0
3
0
0
5
5
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
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 (%)

8
8
5
3
1
0
0
0
0
0
0
0
0
0
0
1
2
7
7
7
2
7
8
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
91
93
93
93
90
84
79
72
64
58
57
56
54
57
61
65
68
73
79
79
81

Pressure (mb)

1007
1007
1008
1008
1009
1009
1010
1010
1011
1012
1012
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

285
284
282
281
281
281
281
282
283
283
284
284
284
285
285
286
286
285
285
285
284
284
284
284

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

Generated: 16/09/25 16:09:05. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+3.00