Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 12%

No Rise

20:51

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 OK
08 OK
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 OK
16 OK
17 Bad
18 Bad
19 Bad
20 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: 22:19 - 04:48. Astro Dark: 00:20 - 02:53

Total Clouds (% Sky Obscured)

46
43
61
81
100
100
100
58
25
24
24
21
12
6
6
7
6
7
36
44
57
88
100
97

Low Clouds (% Sky Obscured)

43
43
61
81
44
12
11
14
13
17
16
16
12
6
6
7
6
7
36
44
55
80
89
87

Medium Clouds (% Sky Obscured)

46
43
61
77
63
85
48
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
6
4
4
8
95
88
35
10
14
11
6
4
0
0
0
0
0
0
4
4
4
4
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
16
28
14
4
2
3
4
2
1
1
0
1
0
1
1
1
1
1
2
2
2
4
9

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)

5
3
1
0
8
9
9
9
8
7
6
6
6
8
10
10
10
10
9
8
7
6
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
82
79
81
78
81
82
85
85
86
86
83
75
69
64
61
60
56
56
56
56
63
65

Pressure (mb)

995
995
996
996
997
997
998
998
998
999
999
999
999
999
999
1000
1000
1000
1000
1001
1001
1001
1001
1002

Ozone (du)

285
283
283
283
283
285
286
287
289
292
294
293
294
295
296
294
290
288
288
290
289
290
291
291

Thursday 18

Waning Crescent 6%

02:16

20:13

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
18 Bad
19 Bad
20 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: 22:13 - 04:53. Astro Dark: 00:08 - 03:04

Total Clouds (% Sky Obscured)

97
97
97
97
96
96
96
95
95
95
100
95
98
100
97
62
77
44
94
91
94
82
93
83

Low Clouds (% Sky Obscured)

85
83
82
85
78
69
74
70
70
70
80
75
65
41
37
13
40
33
67
62
82
76
31
28

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
32
59
62
23
0
0
0
20
35
36
42

High Clouds (% Sky Obscured)

4
24
30
35
19
7
6
32
40
47
41
47
73
99
81
62
40
8
79
57
23
6
83
56

ISS Passover

Visibility (miles)

9
9
8
8
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 (%)

12
17
16
20
22
21
20
18
22
16
17
16
15
11
5
11
14
13
14
13
17
17
19
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
78
82
85
86
88
88
86
88
86
86
84
81
79
75
70
65
63
62
62
65
70
78
83

Pressure (mb)

1002
1003
1003
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007

Ozone (du)

290
288
287
288
288
289
289
289
289
290
290
290
291
292
293
294
295
294
293
293
295
295
294
293

Friday 19

Waning Crescent 2%

04:28

19:47

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
18 Bad
19 Bad
20 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: 22:08 - 04:57. Astro Dark: 23:56 - 03:13

Total Clouds (% Sky Obscured)

47
66
89
83
91
88
100
100
100
100
77
100
100
93
90
98
85
90
90
91
91
91
91
92

Low Clouds (% Sky Obscured)

16
50
58
54
68
70
64
40
29
33
38
38
45
45
61
65
66
59
58
57
61
64
62
60

Medium Clouds (% Sky Obscured)

38
25
12
16
19
0
37
66
88
67
36
94
99
64
51
16
44
76
78
80
77
83
88
91

High Clouds (% Sky Obscured)

26
11
82
50
84
88
100
100
100
89
77
95
100
93
90
98
85
86
83
85
87
89
82
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
0
0
1
9
9
9
9
6
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
None
None
Light Rain
None

Precipitation Probability (%)

4
2
0
0
0
0
0
0
0
0
4
17
14
9
2
0
1
0
2
10
23
45
67
56

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
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
89
88
89
88
88
89
91
91
92
93
94
96
91
83
78
79
82
88
94
96
98
98

Pressure (mb)

1007
1007
1007
1007
1006
1006
1006
1005
1005
1004
1004
1004
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1003

Ozone (du)

292
289
288
287
287
287
288
288
291
293
294
293
292
292
293
293
294
295
296
299
301
301
299
297

Saturday 20

Waning Crescent 0%

06:24

19:24

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
18 Bad
19 Bad
20 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: 22:02 - 05:02. Astro Dark: 23:46 - 03:22

Total Clouds (% Sky Obscured)

92
94
95
97
98
99
99
100
100
99
99
98
98
99
99
99
100
100
98
97
96
98
99
99

Low Clouds (% Sky Obscured)

60
55
55
62
68
73
68
68
72
79
83
90
90
90
90
90
91
93
90
89
90
93
96
96

Medium Clouds (% Sky Obscured)

73
94
95
97
97
98
99
99
100
95
93
90
91
90
90
95
89
100
94
88
82
82
85
93

High Clouds (% Sky Obscured)

92
94
95
97
95
95
95
95
95
95
96
96
97
98
99
99
100
100
87
65
55
46
41
58

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

Precipitation Probability (%)

40
35
51
62
65
69
65
61
58
53
49
46
43
38
27
27
22
26
41
58
72
76
71
63

Precipitation Amount (mm)

0
0
0
0.3
0.3
0.4
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
100
98
98
98
100
100
100
100
100
100
100
100
98
100
100
98
98
100
100
98
100
100

Pressure (mb)

1003
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

297
296
296
297
295
294
295
292
291
291
291
291
291
292
294
294
296
301
302
302
304
306
308
308

Sunday 21

New Moon 0%

08:14

19:02

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
18 Bad
19 Bad
20 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: 21:56 - 05:07. Astro Dark: 23:37 - 03:30

Total Clouds (% Sky Obscured)

99
98
99
99
99
100
99
99
99
97
95
93
100
100
99
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

96
96
97
96
92
90
92
95
97
95
92
86
99
99
98
98
95
93
94
94
95
97
99
99

Medium Clouds (% Sky Obscured)

83
75
59
60
62
55
47
36
28
26
23
25
89
83
77
85
92
99
98
97
95
96
98
99

High Clouds (% Sky Obscured)

73
91
91
93
94
96
92
89
90
90
90
93
95
99
98
99
100
100
100
100
100
100
100
95

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
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

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
None

Precipitation Probability (%)

77
69
55
46
36
29
28
17
28
31
33
39
43
42
40
35
31
26
30
33
35
38
40
41

Precipitation Amount (mm)

0.5
0.3
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
8
8
7
6
6
5
5
5
5
5
5
3
3
3
3
3
4
4
4
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
98
98
100
94
100
100
100
100
100
100
100
100
100
96
96
94
96
98
100
100
100

Pressure (mb)

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

Ozone (du)

307
308
307
306
305
305
305
305
305
305
303
301
300
300
300
300
300
300
299
300
300
301
301
300

Monday 22

Waxing Crescent 3%

10:05

18:37

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
18 Bad
19 Bad
20 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: 21:51 - 05:11. Astro Dark: 23:28 - 03:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
95
92
88
78
67
56

Low Clouds (% Sky Obscured)

99
99
99
99
100
100
99
99
98
95
91
87
90
93
96
92
87
84
78
71
63
56
50
45

Medium Clouds (% Sky Obscured)

99
99
99
92
86
83
62
41
24
49
78
97
95
94
93
94
92
86
79
72
62
42
22
2

High Clouds (% Sky Obscured)

100
100
100
100
100
100
96
93
89
83
77
70
65
60
55
45
34
23
17
11
5
3
2
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
3
6
9
6
3
0
1
2
2
4
6
8
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 (%)

41
40
39
38
37
36
35
32
27
32
34
35
44
46
44
44
42
41
39
37
34
29
22
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
98
98
100
98
98
94
89
86
86
89
91
88
86
83
80
76
72
75
77
79
82
81

Pressure (mb)

1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1016
1017
1018
1018
1019
1020
1020
1020
1021
1022
1022
1023
1023

Ozone (du)

300
299
298
297
297
296
296
296
297
298
298
298
298
298
298
297
299
300
301
302
302
303
303
303

Tuesday 23

Waxing Crescent 7%

12:05

18:04

21 Bad
22 OK
23 Good
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 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: 21:46 - 05:16. Astro Dark: 23:20 - 03:44

Total Clouds (% Sky Obscured)

43
29
15
15
15
15
13
11
9
30
52
74
83
92
100
100
100
100

Low Clouds (% Sky Obscured)

36
29
15
15
14
13
9
7
5
8
13
20
25
33
38
35
36
33

Medium Clouds (% Sky Obscured)

2
1
0
3
7
10
10
11
9
30
52
71
64
51
33
44
60
70

High Clouds (% Sky Obscured)

0
0
5
5
5
5
13
11
9
30
52
74
83
92
100
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

Fog (%)

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

Precipitation Probability (%)

12
9
1
2
2
0
1
1
0
10
12
19
33
30
39
47
36
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
86
88
88
88
89
91
91
89
89
88
86
82
78
74
70
67

Pressure (mb)

1024
1025
1025
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1024
1024
1023
1023
1022

Ozone (du)

303
300
297
294
293
292
291
289
288
286
285
283
282
281
280
279
278
277

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

Generated: 17/09/25 21:49:48. Forecast: 17/09/25 to 23/09/25. Timezone: UTC+3.00