Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

No Rise

20:51

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 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 OK
20 OK
21 OK
22 OK
23 Bad

Sun - Rise: 07:05, Set: 19:56, Transit: 13:30. Moon - Rise: No Rise, Set: 20:51. Civil Dark: 20:55 - 06:05. Nautical Dark: 22:13 - 04:48. Astro Dark: 00:20 - 02:53

Total Clouds (% Sky Obscured)

100
88
92
87
87
87
87
87
87
75
84
71
52
6
6
6
9
16
16
20
31
35
39
64

Low Clouds (% Sky Obscured)

91
65
32
70
22
57
25
15
17
23
12
10
10
6
6
6
9
16
16
20
31
34
34
54

Medium Clouds (% Sky Obscured)

88
64
83
81
67
49
24
3
4
2
0
0
7
0
0
0
0
0
0
0
0
2
6
2

High Clouds (% Sky Obscured)

6
7
0
19
91
88
61
50
63
68
12
1
0
0
0
0
0
0
0
0
0
0
0
4

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
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

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
1
0
1
1
1
1
0
2
1
1
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)

6
5
6
18
18
14
13
16
18
20
14
15
16
11
10
9
8
8
7
6
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
6
3
1
1
1
0
-0
-1
4
5
6
6
7
7
7
7
6
6
5
4
3
2

Dew Point (°C)

7
7
7
7
6
5
4
4
3
3
2
1
1
1
0
-0
-0
0
0
2
2
2
1
1

Relative Humidity (%)

85
93
92
93
94
92
89
87
83
85
70
64
61
59
57
55
55
56
57
66
74
76
76
77

Pressure (mb)

996
996
997
997
997
998
998
998
999
999
999
999
1000
1000
1000
1000
1001
1001
1001
1001
1002
1003
1003
1004

Ozone (du)

280
282
283
286
286
288
291
295
296
296
297
296
295
294
293
292
291
292
295
296
297
299
298
296

Friday 19

Waning Crescent 6%

02:16

20:13

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

Sun - Rise: 07:09, Set: 19:52, Transit: 13:30. Moon - Rise: 02:16, Set: 20:13. Civil Dark: 20:51 - 06:09. Nautical Dark: 22:08 - 04:53. Astro Dark: 23:56 - 03:04

Total Clouds (% Sky Obscured)

92
99
100
100
100
100
100
100
93
78
44
42
44
59
32
74
83
97
95
100
95
95
100
100

Low Clouds (% Sky Obscured)

75
91
94
92
91
91
87
82
18
12
8
12
21
19
27
64
66
78
70
80
75
70
75
70

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
12
0
0
4
11
0
2
2
2
11
21

High Clouds (% Sky Obscured)

29
38
37
43
57
51
46
50
70
48
24
37
38
44
17
8
16
0
0
6
8
48
77
71

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 (%)

4
4
4
5
4
5
6
4
3
2
2
2
3
2
2
2
5
13
6
16
13
14
10
10

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

Chance of Frost

Temperature (°C)

4
3
3
3
2
2
2
2
2
3
5
6
6
7
7
7
7
7
7
6
5
3
2
1

Feels Like (°C)

2
0
-1
-0
-1
-1
-1
-1
-1
0
2
5
6
6
6
7
6
5
4
3
1
-0
-2
-2

Dew Point (°C)

0
-1
-2
-2
-2
-2
-2
-2
-2
-1
-0
0
0
-0
-1
-1
-2
-2
-2
0
1
0
-0
-1

Relative Humidity (%)

77
76
74
74
76
76
76
76
76
76
71
68
65
60
57
55
54
53
55
65
75
82
85
88

Pressure (mb)

1004
1004
1004
1005
1005
1005
1005
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1008

Ozone (du)

294
292
292
292
293
295
296
296
295
296
296
295
295
294
293
294
293
294
293
292
290
289
289
290

Saturday 20

Waning Crescent 2%

04:28

19:47

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: 07:12, Set: 19:47, Transit: 13:30. Moon - Rise: 04:28, Set: 19:47. Civil Dark: 20:46 - 06:13. Nautical Dark: 22:02 - 04:57. Astro Dark: 23:46 - 03:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
98
98
100
100
99
100
100
100
100
100
100
100
100
100
100
99
100
98

Low Clouds (% Sky Obscured)

71
82
77
78
84
77
77
78
83
89
79
75
80
84
90
87
89
88
84
91
88
94
95
94

Medium Clouds (% Sky Obscured)

67
95
76
79
95
61
62
79
76
52
78
90
62
67
67
74
86
91
98
96
100
96
100
94

High Clouds (% Sky Obscured)

69
93
85
97
95
68
86
94
100
97
82
100
95
100
100
94
98
100
87
85
85
85
90
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
1
0
0
0
9
9
9
9
2
0
0
0
0
0

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
0
0
0
0
0
0
1
13
8
18
14
27
22
36
43
43
34
37
40
62
72
70
72

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.5
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
1
1
2
2
2
2
2
2
3
4
4
5
6
6
6
6
5
5
5
5
5
5
4

Feels Like (°C)

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

Dew Point (°C)

-1
0
-0
1
-0
-1
-1
-1
-1
1
3
4
4
5
4
4
3
3
5
5
4
4
4
4

Relative Humidity (%)

89
93
93
93
88
84
83
86
86
89
94
94
96
93
90
88
85
83
94
94
94
96
98
98

Pressure (mb)

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

Ozone (du)

290
289
292
294
293
292
291
291
291
292
291
291
291
291
293
297
299
299
300
301
300
297
294
293

Sunday 21

New Moon 0%

06:24

19:24

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: 07:16, Set: 19:43, Transit: 13:29. Moon - Rise: 06:24, Set: 19:24. Civil Dark: 20:41 - 06:17. Nautical Dark: 21:56 - 05:02. Astro Dark: 23:37 - 03:22

Total Clouds (% Sky Obscured)

95
97
98
99
99
99
99
100
100
98
97
95
91
85
80
73
71
69
77
78
77
68
62
51

Low Clouds (% Sky Obscured)

92
93
91
92
92
93
94
94
94
94
93
93
91
85
80
73
71
69
77
78
77
68
59
50

Medium Clouds (% Sky Obscured)

83
86
87
90
93
96
97
99
100
92
81
71
58
52
45
50
50
50
51
62
66
51
54
29

High Clouds (% Sky Obscured)

85
85
85
80
80
67
2
6
49
95
95
95
91
85
80
73
71
59
77
78
77
68
62
51

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

64
64
67
70
75
75
79
81
83
84
82
72
63
52
38
43
45
41
34
27
14
13
13
8

Precipitation Amount (mm)

0.4
0.3
0.3
0.3
0.4
0.4
0.5
0.5
0.5
0.6
0.6
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
1
1
1
1
0
0
1
0
0
1
1
1
2
2
2
2
2
1
1
0
-0
-1

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
96

Pressure (mb)

1001
1001
1001
1001
1000
1000
1000
1000
1000
1000
1000
1001
1001
1001
1001
1001
1001
1002
1002
1002
1003
1003
1003
1003

Ozone (du)

295
295
294
294
294
295
295
297
299
300
302
303
305
305
305
304
305
308
310
310
309
308
308
309

Monday 22

Waxing Crescent 0%

08:14

19:02

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
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: 07:20, Set: 19:38, Transit: 13:29. Moon - Rise: 08:14, Set: 19:02. Civil Dark: 20:37 - 06:21. Nautical Dark: 21:51 - 05:07. Astro Dark: 23:28 - 03:30

Total Clouds (% Sky Obscured)

58
65
76
79
83
79
60
59
34
35
35
41
52
84
89
91
74
73
61
76
55
49
44
40

Low Clouds (% Sky Obscured)

58
62
76
79
81
74
45
45
10
11
12
16
35
78
77
80
51
50
53
69
45
36
33
30

Medium Clouds (% Sky Obscured)

56
60
64
61
51
26
4
3
2
2
2
4
4
4
2
2
1
1
1
2
2
5
4
3

High Clouds (% Sky Obscured)

43
21
14
27
11
9
11
12
8
6
4
8
5
4
27
30
32
22
4
5
4
3
2
0

ISS Passover

Visibility (miles)

1
1
1
0
0
0
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 (%)

13
23
30
35
30
21
12
10
4
6
6
6
4
8
16
11
19
8
9
11
3
8
8
6

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
6
6
6
8
9
10
10
11
11
12
13
14
14
14
13
12
11
10
10
9
9
7
7

Chance of Frost

Temperature (°C)

1
1
1
2
1
1
1
1
1
1
2
3
3
3
4
4
4
3
3
2
2
1
0
-0

Feels Like (°C)

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

Dew Point (°C)

0
1
1
1
1
1
0
0
0
0
1
1
1
1
1
2
1
1
1
1
0
-0
-1
-2

Relative Humidity (%)

93
96
96
96
98
100
94
94
94
93
93
91
86
83
82
83
83
86
86
88
89
91
91
91

Pressure (mb)

1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1009
1010

Ozone (du)

310
310
310
311
312
312
313
313
312
309
307
307
307
306
306
307
307
306
305
305
306
307
308
309

Tuesday 23

Waxing Crescent 3%

10:05

18:37

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

Sun - Rise: 07:23, Set: 19:34, Transit: 13:29. Moon - Rise: 10:05, Set: 18:37. Civil Dark: 20:32 - 06:25. Nautical Dark: 21:46 - 05:11. Astro Dark: 23:20 - 03:37

Total Clouds (% Sky Obscured)

35
30
27
22
18
15
14
14
14
14
14
14
12
10
8
7
7
7
7
7
7
7
8
8

Low Clouds (% Sky Obscured)

22
16
9
9
11
10
10
10
12
13
14
14
12
10
8
7
7
7
7
7
5
6
6
6

Medium Clouds (% Sky Obscured)

5
7
8
7
5
3
2
1
0
0
0
0
0
0
0
0
0
0
4
2
1
1
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
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
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 (%)

9
15
4
7
8
3
6
8
10
14
14
7
13
15
10
14
13
5
18
22
23
37
42
42

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-3
-3
-3
-4
-3
-4
-3
-3
-3
-2
-1
-1
-1
-1
-0
2
2
2
2
2
2
-0
-1

Dew Point (°C)

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

Relative Humidity (%)

92
91
91
92
91
92
92
92
91
91
89
88
86
83
83
80
83
86
88
88
89
91
89
91

Pressure (mb)

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

Ozone (du)

310
309
309
309
309
308
308
308
308
308
307
306
305
304
303
301
301
301
300
300
300
300
300
300

Wednesday 24

Waxing Crescent 7%

12:05

18:04

00 Bad
01 Bad
02 OK
03 OK
04 OK
05 OK
06 Bad
07 Bad
08 OK
09 OK
10 OK
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: 07:27, Set: 19:29, Transit: 13:28. Moon - Rise: 12:05, Set: 18:04. Civil Dark: 20:28 - 06:29. Nautical Dark: 21:41 - 05:16. Astro Dark: 23:12 - 03:44

Total Clouds (% Sky Obscured)

7
7
6
7
9
11
10
10
10
12
15
18
32
47
62
68
74
79
86
93
100
98
97
96

Low Clouds (% Sky Obscured)

6
7
6
7
9
11
10
10
10
12
15
18
13
8
7
4
4
9
17
21
25
27
33
35

Medium Clouds (% Sky Obscured)

0
0
0
1
2
3
4
4
5
5
5
5
7
8
10
24
39
50
60
67
70
64
54
50

High Clouds (% Sky Obscured)

0
0
0
1
2
3
4
5
6
8
10
16
27
38
50
52
56
60
65
75
83
67
51
38

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

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

Precipitation Probability (%)

46
42
28
29
28
25
35
35
29
36
38
39
42
39
33
45
51
52
72
82
64
79
77
66

Precipitation Amount (mm)

0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0
0.4
0.3
0

Wind Speed/Direction (mph)

9
9
8
9
7
5
3
2
2
1
2
3
3
3
4
4
4
4
4
5
5
6
6
6

Chance of Frost

Temperature (°C)

-1
-1
-1
-2
-2
-2
-2
-1
-1
-1
1
2
3
3
5
6
5
5
5
6
6
6
6
7

Feels Like (°C)

-1
-1
-2
-2
-2
-2
-1
-2
-2
-2
-1
-1
0
0
2
3
4
4
4
5
5
6
4
5

Dew Point (°C)

-2
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-2
-1
0
1
1
2
2
3
3
3
4
4

Relative Humidity (%)

91
91
89
89
89
89
91
87
86
86
80
77
73
72
72
72
75
78
80
82
83
83
83
84

Pressure (mb)

1015
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015

Ozone (du)

300
300
300
300
300
299
299
299
299
299
299
299
300
299
299
298
298
298
298
297
296
296
296
296

Forecast for Kilpisjärvi, Tunturi-Lappi, Finland (69.07,20.76)

Generated: 18/09/25 10:35:24. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+3.00