Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 30%

No Rise

No Set

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 OK
18 OK
19 Bad

Sun - Rise: 06:57, Set: 20:09, Transit: 13:31. Moon - Rise: No Rise, Set: No Set. Civil Dark: 21:10 - 05:57. Nautical Dark: 22:31 - 04:37. Astro Dark: 00:57 - 02:26

Total Clouds (% Sky Obscured)

92
94
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
27
22
100

Low Clouds (% Sky Obscured)

85
94
95
99
99
99
97
99
99
99
98
100
100
99
100
100
100
100
100
99
97
26
17
83

Medium Clouds (% Sky Obscured)

92
94
95
97
89
100
100
100
99
100
100
100
93
71
78
80
92
77
92
73
15
14
22
47

High Clouds (% Sky Obscured)

86
92
90
99
100
100
100
100
100
100
100
97
100
92
44
50
82
78
33
2
0
2
4
75

ISS Passover

Visibility (miles)

9
6
3
1
0
0
4
3
1
0
1
1
3
5
1
2
9
1
4
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
2
2
5
0
0
0
0
5
3
2
28
34
9
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

59
95
95
95
85
90
93
95
95
95
95
95
95
72
49
59
48
32
19
8
13
6
15
15

Precipitation Amount (mm)

0
0.7
1.1
0.7
0.4
0.6
0.6
0.7
1
1.3
1.4
1.7
1.1
0.3
0
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
17
18
14
10
9
10
11
11
10
9
8
7
6
9
10
11
12
12
14
15
16
15
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
6
7
8
8
8
9
9
9
8
8
9
9
9
10
9
9
10
9
9
8
7
7
8

Relative Humidity (%)

79
88
95
96
96
96
98
96
96
96
96
98
98
96
98
96
95
98
95
90
84
78
80
88

Pressure (mb)

1006
1005
1004
1003
1002
1001
1000
999
998
997
996
996
995
995
995
995
995
995
995
996
996
996
995
995

Ozone (du)

272
273
274
275
275
276
277
275
273
272
272
271
270
269
269
270
271
273
272
272
272
271
272
273

Tuesday 16

Waning Crescent 21%

No Rise

No Set

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
18 Bad
19 Bad

Sun - Rise: 07:01, Set: 20:05, Transit: 13:31. Moon - Rise: No Rise, Set: No Set. Civil Dark: 21:05 - 06:01. Nautical Dark: 22:25 - 04:42. Astro Dark: 00:36 - 02:41

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
95
100
100
100
97
93
91
98
100
100
94
93
95

Low Clouds (% Sky Obscured)

98
98
100
100
100
98
98
100
100
97
99
87
73
69
83
75
71
51
24
25
24
28
25
30

Medium Clouds (% Sky Obscured)

79
75
84
99
77
91
80
61
75
76
82
89
69
68
81
85
67
89
74
75
84
66
52
37

High Clouds (% Sky Obscured)

75
100
100
100
77
75
75
75
63
62
40
32
58
56
48
24
35
51
79
93
89
56
71
85

ISS Passover

Visibility (miles)

9
9
9
2
1
1
0
1
5
6
4
5
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
77
100
100
98
16
7
6
3
0
0
0
0
0
0
0
0
0
12

Precipitation Type

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

Precipitation Probability (%)

22
27
28
30
34
49
55
32
24
27
25
31
14
16
13
18
43
65
69
65
63
58
49
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
96
96
96
96
98
96
98
98
96
96
98
88
84
78
72
67
63
60
62
67
74
81

Pressure (mb)

995
995
996
995
995
995
995
994
994
994
994
994
994
994
994
994
994
994
993
993
993
993
994
994

Ozone (du)

274
275
277
277
278
279
279
280
280
279
279
280
281
281
282
282
282
283
283
284
284
284
283
282

Wednesday 17

Waning Crescent 12%

No Rise

No Set

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
18 Bad
19 Bad

Sun - Rise: 07:05, Set: 19:56, Transit: 13:30. Moon - Rise: No Rise, Set: No Set. Civil Dark: 21:00 - 06:05. Nautical Dark: 22:19 - 04:48. Astro Dark: 00:20 - 02:53

Total Clouds (% Sky Obscured)

97
97
95
79
86
98
99
99
93
40
40
39
43
48
48
47
48
49
51
55
54
59
58
56

Low Clouds (% Sky Obscured)

30
32
34
38
40
43
43
52
56
40
40
39
43
48
48
47
47
48
48
50
51
48
40
34

Medium Clouds (% Sky Obscured)

35
40
36
32
46
71
82
81
75
40
40
39
43
44
43
47
48
49
51
55
54
59
58
55

High Clouds (% Sky Obscured)

86
85
74
11
21
78
56
5
3
1
2
2
4
0
0
3
5
12
15
18
16
14
10
12

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 (%)

2
0
2
0
4
7
11
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

1
1
5
1
3
5
7
12
31
45
47
28
34
34
29
25
26
43
57
51
64
74
64
60

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0.3
0.3
0.5
0.8
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
82
85
84
82
81
82
85
88
88
90
87
82
70
62
59
56
55
52
51
50
52
61

Pressure (mb)

995
995
996
996
996
996
997
997
997
998
998
998
998
998
998
999
999
1000
1001
1001
1001
1002
1002
1003

Ozone (du)

280
279
278
278
279
282
286
292
297
299
296
292
291
292
293
292
293
292
292
293
291
291
291
291

Thursday 18

Waning Crescent 6%

02:16

20:51

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
18 Bad
19 Bad

Sun - Rise: 07:09, Set: 19:52, Transit: 13:30. Moon - Rise: 02:16, Set: 20:51. Civil Dark: 20:55 - 06:09. Nautical Dark: 22:13 - 04:53. Astro Dark: 00:08 - 03:04

Total Clouds (% Sky Obscured)

57
62
65
65
60
60
60
64
63
89
100
100
100
100
100
99
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

32
33
42
42
39
36
33
37
37
67
97
99
99
99
97
96
93
91
97
97
96
97
97
97

Medium Clouds (% Sky Obscured)

50
40
45
45
55
55
55
50
50
50
50
40
35
30
30
29
25
25
25
30
30
33
43
50

High Clouds (% Sky Obscured)

8
8
5
2
0
5
5
4
8
58
81
64
60
96
84
79
95
86
56
94
93
91
67
60

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

62
52
46
46
48
52
53
57
61
62
67
71
75
73
69
69
64
61
59
55
51
47
39
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
6
6
6
6
6
5
5
5
5
5
5
5
5
6
6
6
6
6
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
70
74
79
82
83
86
90
93
94
88
79
73
72
72
70
70
71
71
74
71
73
73
72

Pressure (mb)

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

Ozone (du)

292
294
295
295
296
296
295
294
292
289
289
289
288
288
289
291
292
291
292
294
295
295
295
294

Friday 19

Waning Crescent 2%

04:28

19:47

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
18 Bad
19 Bad

Sun - Rise: 07:12, Set: 19:47, Transit: 13:30. Moon - Rise: 04:28, Set: 19:47. Civil Dark: 20:51 - 06:13. Nautical Dark: 22:08 - 04:57. Astro Dark: 23:56 - 03:13

Total Clouds (% Sky Obscured)

100
99
99
98
98
97
95
91
95
95
90
90
90
100
95
90
91
92
90
94
97
97
100
100

Low Clouds (% Sky Obscured)

96
93
91
68
92
87
86
65
48
70
85
85
80
95
95
90
91
92
90
94
91
92
95
98

Medium Clouds (% Sky Obscured)

48
45
42
44
32
16
1
7
11
20
20
20
25
64
64
63
64
64
65
65
65
60
70
87

High Clouds (% Sky Obscured)

96
80
88
48
71
85
85
85
85
90
90
90
90
95
95
90
91
92
90
94
97
97
97
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
5
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

23
17
11
2
2
0
1
0
1
1
3
4
18
21
19
17
28
43
57
55
51
43
50
67

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
73
72
79
88
85
83
89
94
96
96
94
96
96
96
96
98
98
96
98
98
98
98
98

Pressure (mb)

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

Ozone (du)

295
295
295
295
293
290
289
290
291
291
291
291
293
295
297
298
300
299
298
297
297
297
297
297

Saturday 20

Waning Crescent 0%

06:24

19:24

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
18 Bad
19 Bad

Sun - Rise: 07:16, Set: 19:43, Transit: 13:29. Moon - Rise: 06:24, Set: 19:24. Civil Dark: 20:46 - 06:17. Nautical Dark: 22:02 - 05:02. Astro Dark: 23:46 - 03:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
98
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

99
99
99
99
99
100
100
99
99
99
99
99
100
95
90
85
88
90
93
91
89
87
87
87

Medium Clouds (% Sky Obscured)

100
99
99
98
92
86
84
82
80
72
62
37
26
44
62
80
83
86
89
93
96
99
99
99

High Clouds (% Sky Obscured)

91
92
93
94
95
96
98
83
68
53
43
33
24
35
47
59
58
56
54
69
85
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
3
6
9
9
9
9
8
6
4
6
8
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

82
72
68
66
55
48
45
49
52
55
50
49
50
51
49
48
44
40
40
41
38
35
38
39

Precipitation Amount (mm)

0.6
0.4
0.3
0.3
0.2
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
8
8
7
7
7
6
6
6
6
6
6
6
7
6
6
6
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
98
100
98
100
100
100
100
98
96
94
93
89
85
82
80
80
79
79
77
77
82

Pressure (mb)

1005
1005
1004
1004
1004
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

297
297
298
299
300
299
297
296
295
295
294
293
293
293
294
295
296
298
300
303
304
305
307
306

Sunday 21

New Moon 0%

08:14

19:02

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

Sun - Rise: 07:20, Set: 19:38, Transit: 13:29. Moon - Rise: 08:14, Set: 19:02. Civil Dark: 20:41 - 06:21. Nautical Dark: 21:56 - 05:07. Astro Dark: 23:37 - 03:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
91
81
72
63
54
45
49
52
55
69
83
95

Low Clouds (% Sky Obscured)

87
89
93
95
92
90
86
76
64
53
50
48
45
48
51
52
61
69
76

Medium Clouds (% Sky Obscured)

98
96
93
90
92
93
95
69
39
13
8
5
3
8
9
12
11
19
20

High Clouds (% Sky Obscured)

100
100
100
95
95
95
95
66
45
26
18
10
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
6
4
1
1
1
0
1
1
2
4
7
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

38
38
35
31
30
30
26
31
31
18
26
27
14
40
42
24
35
35
20

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)

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

Chance of Frost

Temperature (°C)

3
3
3
3
3
3
3
2
2
2
2
2
2
2
3
3
3
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
91
94
94
96
96
96
94
93
89
89
89
88
82
73
68
64
63

Pressure (mb)

1002
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004

Ozone (du)

306
305
306
307
308
309
310
311
312
313
314
315
315
315
316
317
318
316
315

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

Generated: 15/09/25 20:11:01. Forecast: 15/09/25 to 21/09/25. Timezone: UTC+3.00