Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 31%

No Rise

No Set

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:40, Set: 19:39, Transit: 13:08. Moon - Rise: No Rise, Set: No Set. Civil Dark: 20:34 - 05:45. Nautical Dark: 21:46 - 04:34. Astro Dark: 23:25 - 02:59

Total Clouds (% Sky Obscured)

87
86
85
71
61
100
88
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
95
99

Low Clouds (% Sky Obscured)

87
60
54
61
48
97
74
61
79
100
80
70
86
94
83
76
83
81
70
89
83
84
90
85

Medium Clouds (% Sky Obscured)

19
0
0
11
2
32
51
76
81
81
96
100
100
100
97
91
92
79
62
87
54
52
51
45

High Clouds (% Sky Obscured)

87
86
75
61
5
9
10
78
100
95
100
92
100
100
100
100
22
45
68
94
99
71
51
77

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
8
8
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
Light Rain
None
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
5
13
2
7
16
26
16
36
42
44
34
44
37
46
51
66
49
57
50
40
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
87
89
89
89
89
79
80
83
84
90
93
93
96
96
96
98
95
98
98
98
95
96

Pressure (mb)

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

Ozone (du)

268
269
270
269
268
268
269
268
268
267
267
267
269
269
271
272
275
277
277
277
279
279
281
282

Wednesday 17

Waning Crescent 21%

23:35

21:00

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:43, Set: 19:35, Transit: 13:07. Moon - Rise: 23:35, Set: 21:00. Civil Dark: 20:30 - 05:48. Nautical Dark: 21:41 - 04:38. Astro Dark: 23:16 - 03:06

Total Clouds (% Sky Obscured)

97
97
95
98
95
96
78
84
83
54
57
77
76
73
69
82
91
92
95
90
85
86
93
96

Low Clouds (% Sky Obscured)

88
86
85
89
81
94
45
58
46
29
38
67
65
68
63
80
88
89
94
88
84
83
93
95

Medium Clouds (% Sky Obscured)

49
81
67
80
56
60
47
47
42
1
0
1
1
1
4
2
2
3
2
2
2
1
11
20

High Clouds (% Sky Obscured)

86
19
47
38
15
33
10
19
3
5
4
30
19
8
19
15
7
20
35
42
38
27
33
45

ISS Passover

Visibility (miles)

9
8
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
14
84
89
86
97
18
87
100
100
97

Precipitation Type

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

Precipitation Probability (%)

34
53
33
50
34
46
37
50
33
22
9
7
4
2
6
4
5
6
1
2
2
3
3
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
96
90
87
80
76
76
81
86
86
88
87
85
84
82
84
87
90
93
93
95
95

Pressure (mb)

997
997
997
997
997
997
997
997
997
997
997
997
997
997
997
997
997
997
997
997
997
997
997
997

Ozone (du)

283
285
286
287
288
288
288
288
287
287
287
287
287
287
286
286
287
286
285
285
285
286
285
284

Thursday 18

Waning Crescent 13%

02:12

20:05

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:47, Set: 19:31, Transit: 13:07. Moon - Rise: 02:12, Set: 20:05. Civil Dark: 20:25 - 05:52. Nautical Dark: 21:36 - 04:42. Astro Dark: 23:08 - 03:13

Total Clouds (% Sky Obscured)

93
92
93
98
98
99
98
96
94
94
95
96
99
100
100
100
99
100
100
100
98
100
100
100

Low Clouds (% Sky Obscured)

90
81
79
90
89
54
61
57
34
47
45
56
56
78
79
87
90
100
100
100
98
100
100
100

Medium Clouds (% Sky Obscured)

34
31
48
68
76
91
77
68
69
64
62
65
54
51
66
56
73
85
77
82
74
62
83
81

High Clouds (% Sky Obscured)

41
45
30
42
33
43
38
58
31
52
61
36
50
54
58
59
40
13
46
44
12
26
7
9

ISS Passover

Visibility (miles)

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

Fog (%)

92
61
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
16
18
22
35
50
58
72
70
71
62
48
36
23
25
32
27
33
33
30
25
18
23
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
90
88
90
87
86
87
92
93
95
93
95
95
96
96
96
96
98
98
100
98
96
98
96

Pressure (mb)

998
997
997
998
998
998
998
998
998
998
998
999
999
999
999
1000
1000
1000
1000
1000
1000
1001
1001
1001

Ozone (du)

285
288
290
291
292
292
291
292
290
288
289
289
290
290
291
291
291
291
290
291
291
290
289
290

Friday 19

Waning Crescent 6%

04:13

19:38

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:50, Set: 19:26, Transit: 13:07. Moon - Rise: 04:13, Set: 19:38. Civil Dark: 20:21 - 05:56. Nautical Dark: 21:31 - 04:47. Astro Dark: 23:00 - 03:20

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
97
95
93
95
98
100
100
100
100
100
84
74
100
100
99
98
98

Low Clouds (% Sky Obscured)

100
99
98
98
88
79
70
71
73
74
81
86
90
94
96
98
98
84
68
61
84
75
75
55

Medium Clouds (% Sky Obscured)

77
69
58
48
64
78
93
88
77
77
84
92
100
100
100
100
98
84
74
77
66
86
87
89

High Clouds (% Sky Obscured)

9
11
23
32
49
61
75
54
27
15
39
54
76
50
30
10
7
5
18
50
55
60
75
65

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

Precipitation Probability (%)

9
21
29
22
44
58
67
68
67
70
58
44
28
43
55
66
71
76
74
68
61
49
41
31

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
5
5
5
5
5
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
95
95
93
93
93
91
91
91
95
96
96
96
96
96
96
96
98
98
98
98
96

Pressure (mb)

1001
1002
1002
1003
1003
1003
1004
1004
1004
1005
1005
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1008
1009
1009

Ozone (du)

290
291
291
293
292
291
290
289
289
288
287
286
287
289
289
291
293
294
294
293
292
293
294
295

Saturday 20

Waning Crescent 2%

06:02

19:18

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:53, Set: 19:22, Transit: 13:06. Moon - Rise: 06:02, Set: 19:18. Civil Dark: 20:17 - 05:59. Nautical Dark: 21:26 - 04:51. Astro Dark: 22:53 - 03:26

Total Clouds (% Sky Obscured)

97
97
96
95
96
98
100
100
100
100
100
100
100
100
100
100
100
100
99
98
98
100
100
100

Low Clouds (% Sky Obscured)

49
53
55
56
52
51
46
54
60
65
65
65
65
100
100
100
99
97
96
93
92
92
91
89

Medium Clouds (% Sky Obscured)

90
89
87
85
84
83
82
77
67
61
75
70
68
90
81
55
46
41
48
59
62
74
83
88

High Clouds (% Sky Obscured)

55
56
47
43
55
81
100
100
100
86
56
52
70
60
27
0
7
19
31
52
75
95
95
95

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

23
29
38
42
61
95
95
68
32
33
41
25
15
95
95
95
92
67
35
32
24
10
19
20

Precipitation Amount (mm)

0
0
0
0
0
0.5
0.8
0.3
0
0
0
0
0
0.9
0.7
0.9
0.8
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
91
90
90
90
88
90
91
94
93
94
96
96
98
98
98
98
96
96
96
96
94
96
94

Pressure (mb)

1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
999
998
998
998
998
998
998
998
998
998

Ozone (du)

296
296
296
296
296
296
296
297
298
300
302
304
306
307
307
306
306
304
303
301
299
297
296
297

Sunday 21

New Moon 0%

07:46

19:01

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:57, Set: 19:18, Transit: 13:06. Moon - Rise: 07:46, Set: 19:01. Civil Dark: 20:13 - 06:03. Nautical Dark: 21:21 - 04:55. Astro Dark: 22:46 - 03:32

Total Clouds (% Sky Obscured)

100
100
99
99
99
98
99
99
98
98
97
97
96
96
96
96
96
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
77
68
58
72
83
87
83
84
76
71
54
50
45
43
46
40
40
35
35
35
25
26
28

Medium Clouds (% Sky Obscured)

91
86
80
73
72
73
75
66
61
47
40
42
52
51
49
47
60
69
75
58
59
46
61
73

High Clouds (% Sky Obscured)

95
80
62
46
42
48
59
79
80
80
80
80
85
85
85
90
90
95
100
84
67
48
33
17

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
9
9
8

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

Precipitation Probability (%)

24
39
47
52
43
34
26
26
28
32
38
35
30
32
33
35
33
31
28
25
24
28
32
34

Precipitation Amount (mm)

0
0
0
0.2
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
4
4
5
5
5
5
6
6
6
5
5
4
4
5
4
3
3
4
5
6
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
93
91
91
90
90
88
90
90
91
91
91
91
93
93
96
96
96
96
94
96
96
96

Pressure (mb)

998
998
998
998
998
998
998
998
998
999
999
1000
1000
1001
1001
1002
1003
1003
1004
1005
1005
1005
1006
1006

Ozone (du)

299
301
302
303
305
305
305
305
306
308
309
309
309
309
309
309
309
307
306
304
305
306
306
307

Monday 22

Waxing Crescent 0%

No Rise

18:44

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:00, Set: 19:14, Transit: 13:05. Moon - Rise: No Rise, Set: 18:44. Civil Dark: 20:08 - 06:06. Nautical Dark: 21:16 - 04:59. Astro Dark: 22:39 - 03:38

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

38
61
82
100
98
97
95
93
91
88
86
81
78
81
86
89
85
80
80

Medium Clouds (% Sky Obscured)

86
82
78
70
74
78
82
72
67
69
69
70
69
64
73
73
66
57
59

High Clouds (% Sky Obscured)

2
2
2
2
2
1
0
1
5
9
21
38
50
33
17
0
1
3
5

ISS Passover

Visibility (miles)

6
5
6
6
6
6
6
6
4
2
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

Precipitation Type

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

Precipitation Probability (%)

37
38
39
37
41
44
47
49
53
59
60
51
42
44
41
33
34
32
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
96
96
96
96
96
96
96
98
98
96
96
98
96
96
98
96

Pressure (mb)

1007
1007
1007
1008
1008
1009
1009
1010
1010
1011
1011
1012
1013
1013
1014
1014
1015
1015
1016

Ozone (du)

308
308
309
310
311
312
313
314
314
313
313
313
312
312
311
310
310
309
309

Forecast for Tähtelä, Pohjois-Lappi, Finland (67.37,26.63)

Generated: 16/09/25 08:43:04. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+3.00