Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 9

Waning Gibbous 68%

20:57

12:45

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 09:15, Set: 15:16, Transit: 12:15. Moon - Rise: 20:57, Set: 12:45. Civil Dark: 16:12 - 08:18. Nautical Dark: 17:09 - 07:21. Astro Dark: 18:00 - 06:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
91
100
95
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
91
67
70
67
62
67
72
58
41
48
88
93

Medium Clouds (% Sky Obscured)

37
32
25
22
16
7
0
0
0
0
0
0
0
0
0
0
8
45
78
100
100
100
100
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
1
24
32
78
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
2
0
0
0
0
3
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 (%)

0
0
0
3
11
3
3
2
1
2
0
3
1
0
3
0
3
3
0
0
0
0
2
37

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
93
94
96
94
96
96
93
88
83
80
89
94
96
94
94
94
94
93
91
91
94

Pressure (mb)

999
1000
1001
1001
1002
1003
1003
1004
1005
1005
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1007
1006
1005

Ozone (du)

285
280
283
286
286
290
292
295
299
301
306
310
307
303
296
293
300
301
300
293
281
276
273
271

Wednesday 10

Waning Gibbous 57%

22:33

12:44

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 09:16, Set: 15:15, Transit: 12:15. Moon - Rise: 22:33, Set: 12:44. Civil Dark: 16:12 - 08:19. Nautical Dark: 17:09 - 07:22. Astro Dark: 18:00 - 06:31

Total Clouds (% Sky Obscured)

100
100
100
100
94
89
90
83
67
75
85
67
83
95
100
98
98
100
90
96
94
92
89
80

Low Clouds (% Sky Obscured)

97
100
100
100
87
80
84
82
67
75
83
67
83
94
100
98
96
100
80
91
81
86
87
75

Medium Clouds (% Sky Obscured)

100
100
35
0
0
0
0
0
0
0
0
0
0
0
15
15
21
100
37
45
75
80
8
6

High Clouds (% Sky Obscured)

100
85
25
13
5
1
1
1
0
1
9
0
0
0
35
35
40
47
36
37
24
0
0
0

ISS Passover

Visibility (miles)

6
6
9
9
0
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
1
96
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
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

Precipitation Probability (%)

88
87
72
18
9
6
2
0
0
0
2
0
0
4
7
6
18
27
21
26
21
7
6
20

Precipitation Amount (mm)

0.6
0.4
0.3
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
9
10
10
10
10
11
12
12
12
12
12
12
12
11
10
10
10
10
9
8
8
7
7

Chance of Frost

Temperature (°C)

4
4
4
4
6
7
7
7
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

3
3
3
4
5
5
4
3
4
3
4
4
4
3
3
3
4
4
4
4
4
5
5
5

Relative Humidity (%)

94
93
94
94
96
91
82
78
82
82
85
86
83
82
79
82
85
86
88
86
86
90
90
91

Pressure (mb)

1004
1003
1001
1000
999
999
999
999
999
999
999
999
999
999
999
999
999
999
998
999
999
999
999
999

Ozone (du)

267
269
271
276
279
280
276
279
276
276
287
299
311
326
334
334
328
330
336
335
333
332
328
327

Thursday 11

Third Quarter 47%

00:03

12:43

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
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 Good
14 OK

Sun - Rise: 09:18, Set: 15:15, Transit: 12:16. Moon - Rise: 00:03, Set: 12:43. Civil Dark: 16:12 - 08:20. Nautical Dark: 17:08 - 07:23. Astro Dark: 18:00 - 06:32

Total Clouds (% Sky Obscured)

83
94
93
91
88
77
84
93
100
100
100
100
97
97
96
93
93
84
76
67
46
25
4
19

Low Clouds (% Sky Obscured)

77
84
83
81
87
77
84
93
100
100
100
100
90
87
87
85
87
80
74
67
45
22
0
0

Medium Clouds (% Sky Obscured)

7
11
21
26
0
0
0
0
22
46
45
40
54
74
82
75
46
35
22
1
1
0
0
15

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
1
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
0
0
5
9
9
9
9
9

Fog (%)

2
19
24
17
18
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88

Precipitation Type

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

Precipitation Probability (%)

9
20
17
6
0
0
0
0
5
1
3
6
16
32
61
46
32
18
10
4
3
2
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.1
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
3
2
1
1
2
3
4
4
6
6
7
7
6
7
8
8
10
10
10
10
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
94
96
96
94
93
88
83
83
82
82
83
86
83
86
92
89
84
78
69
67
64
65

Pressure (mb)

999
999
999
1000
1000
1000
1001
1002
1002
1003
1004
1005
1006
1007
1008
1009
1011
1013
1014
1016
1018
1019
1020
1022

Ozone (du)

327
325
326
326
332
330
328
330
334
329
326
318
313
311
310
307
306
307
306
302
298
296
295
295

Friday 12

Waning Crescent 37%

01:28

12:42

15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
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: 09:19, Set: 15:14, Transit: 12:16. Moon - Rise: 01:28, Set: 12:42. Civil Dark: 16:11 - 08:21. Nautical Dark: 17:08 - 07:24. Astro Dark: 18:00 - 06:33

Total Clouds (% Sky Obscured)

34
50
55
61
66
55
44
33
46
62
74
81
89
96
97
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
5
10
19
35

Medium Clouds (% Sky Obscured)

31
47
54
56
60
50
39
29
41
50
74
81
84
93
95
94
100
100
100
100
100
100
100
99

High Clouds (% Sky Obscured)

3
0
2
5
8
4
2
2
26
22
23
38
57
77
84
92
98
100
85
92
96
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
9
9
9
9
9
9

Fog (%)

88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88

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
0
0
0
0
0
0
0
0
0
0
0

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
68
64
64
62
62
62
62
62
62
60
60
60
60
60
61
61
61
60
61
61
59
57
55

Pressure (mb)

1023
1024
1025
1026
1027
1028
1029
1029
1030
1031
1031
1031
1031
1032
1032
1032
1032
1032
1032
1031
1031
1030
1030
1029

Ozone (du)

292
294
296
295
295
296
298
297
296
297
299
298
300
300
301
303
305
304
303
304
305
309
309
313

Saturday 13

Waning Crescent 28%

02:53

12:41

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 09:20, Set: 15:14, Transit: 12:17. Moon - Rise: 02:53, Set: 12:41. Civil Dark: 16:11 - 08:22. Nautical Dark: 17:08 - 07:25. Astro Dark: 18:00 - 06:34

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

54
85
60
32
5
34
62
92
93
94
95
92
88
84
90
95
99
99
99
99
98
97
97
97

Medium Clouds (% Sky Obscured)

95
100
100
100
100
100
100
100
100
100
100
98
96
94
86
80
73
74
76
73
72
71
69
69

High Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
70
43
19
29
8
1
0
0
0
1
0
0
24

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 (%)

88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88

Precipitation Type

None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
1
0
3
9
16
45
65
86
95
95
70
63
51
33
28
21
9
10
9
6
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.1
0.3
0.6
1.4
0.9
0.3
0.3
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-3
-3
-3
-3
-3
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-2
-2
-2
-2
-2
-2
-2
-2
-2

Feels Like (°C)

-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-6
-6
-6
-6
-6

Dew Point (°C)

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

Relative Humidity (%)

55
54
50
49
48
49
50
51
52
54
55
57
57
58
60
59
60
62
63
64
67
68
68
70

Pressure (mb)

1029
1028
1027
1027
1026
1025
1024
1023
1022
1022
1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

318
323
326
325
330
339
355
366
375
387
399
411
411
411
411
409
407
405
396
388
379
372
365
358

Sunday 14

Waning Crescent 20%

04:18

12:40

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 09:21, Set: 15:14, Transit: 12:17. Moon - Rise: 04:18, Set: 12:40. Civil Dark: 16:11 - 08:23. Nautical Dark: 17:08 - 07:26. Astro Dark: 18:00 - 06:35

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

66
66
60
54
51
52
51
50
52
54
56
69
81
90
73
61
49
38
25
17
16
15
20
34

High Clouds (% Sky Obscured)

47
71
73
75
78
59
43
21
32
35
41
56
78
100
99
99
100
100
100
100
100
100
99
68

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
7
6
5
4
3
2
1
0
1
2
3
4
4
5

Fog (%)

88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
None
None
Frozen rai

Precipitation Probability (%)

6
1
4
5
2
6
6
1
4
7
8
10
8
3
14
20
23
23
24
30
35
39
45
56

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-5
-5
-5
-6
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-4

Dew Point (°C)

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

Relative Humidity (%)

72
74
75
77
78
80
80
83
86
86
89
89
91
91
92
92
96
100
98
96
96
96
96
96

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1018
1019
1019
1019
1019
1019
1019
1019
1019
1018

Ozone (du)

346
334
322
322
321
320
318
316
313
311
308
305
304
303
302
298
294
291
290
288
287
286
285
284

Monday 15

Waning Crescent 12%

05:47

12:41

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: 09:22, Set: 15:14, Transit: 12:18. Moon - Rise: 05:47, Set: 12:41. Civil Dark: 16:11 - 08:24. Nautical Dark: 17:08 - 07:27. Astro Dark: 18:00 - 06:35

Total Clouds (% Sky Obscured)

100
100
97
93
90
93
97
100
100
100
100
100
99
99
99
100
100

Low Clouds (% Sky Obscured)

100
100
97
93
90
93
97
100
100
100
100
98
97
95
97
98
99

Medium Clouds (% Sky Obscured)

49
73
59
44
29
25
24
21
36
53
74
68
61
55
46
31
16

High Clouds (% Sky Obscured)

33
0
0
0
0
0
0
0
0
0
0
16
32
48
32
16
0

ISS Passover

Visibility (miles)

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

Fog (%)

88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88

Precipitation Type

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

Precipitation Probability (%)

66
71
71
62
40
36
38
35
37
34
29
27
25
16
15
11
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
98
98
98
98
98
98
98
98
98
96
96
96
96
94

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

283
281
279
278
278
277
276
275
274
273
271
269
267
265
263
265
267

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

Generated: 09/12/25 15:40:51. Forecast: 09/12/25 to 15/12/25. Timezone: UTC+2.00