Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Waxing Gibbous 100%

13:47

09:10

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 09:05, Set: 15:20, Transit: 12:12. Moon - Rise: 13:47, Set: 09:10. Civil Dark: 16:15 - 08:10. Nautical Dark: 17:11 - 07:14. Astro Dark: 18:02 - 06:23

Total Clouds (% Sky Obscured)

100
100
99
99
97
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

99
97
94
89
84
89
99
100
100
100
100
100
100
100
100
100
100
100
97
99
100
100
100
95

Medium Clouds (% Sky Obscured)

15
0
41
49
48
71
94
97
93
95
94
95
96
100
79
90
83
77
82
60
51
47
56
52

High Clouds (% Sky Obscured)

0
0
1
2
0
6
9
15
20
15
40
88
90
96
68
42
73
73
46
70
56
69
11
17

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 (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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
2
0
1
1
3
3
6
4
9
2
2
10
14
12
5
2
1
3
7
10
3

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

Chance of Frost

Temperature (°C)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

1
1
1
2
1
1
1
1
1
1
2
2
2
2
2
3
3
3
3
3
3
3
3
3

Relative Humidity (%)

89
88
89
89
88
88
88
85
85
86
88
89
89
91
93
93
93
94
93
93
93
93
91
93

Pressure (mb)

1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019

Ozone (du)

231
234
232
230
229
229
227
227
230
235
237
238
240
240
243
244
246
243
243
244
246
248
252
256

Friday 5

Full Moon 98%

14:14

11:03

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 09:07, Set: 15:19, Transit: 12:13. Moon - Rise: 14:14, Set: 11:03. Civil Dark: 16:14 - 08:11. Nautical Dark: 17:10 - 07:15. Astro Dark: 18:02 - 06:24

Total Clouds (% Sky Obscured)

98
90
96
91
96
100
100
100
100
96
97
100
99
99
98
100
100
100
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

92
81
81
71
77
89
90
93
98
92
90
83
84
82
89
100
98
100
99
100
100
100
93
94

Medium Clouds (% Sky Obscured)

56
48
61
48
45
49
79
100
96
78
82
81
92
87
85
80
81
89
78
81
82
80
79
83

High Clouds (% Sky Obscured)

22
24
2
8
12
29
31
100
96
13
19
100
10
10
1
0
1
2
3
8
33
78
51
46

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 (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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 (%)

3
2
0
0
0
0
0
1
1
5
4
5
7
18
16
9
7
3
3
5
7
7
13
20

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

Chance of Frost

Temperature (°C)

4
4
4
4
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Feels Like (°C)

2
1
1
2
1
1
1
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
93
96
94
93
93
91
91
93
96
96
96
94
96
94
94
93
93
93
93
93
94

Pressure (mb)

1019
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

257
261
268
272
277
276
274
273
275
273
269
267
266
266
264
264
266
264
263
265
267
267
265
268

Saturday 6

Waning Gibbous 94%

15:29

12:11

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 09:09, Set: 15:18, Transit: 12:13. Moon - Rise: 15:29, Set: 12:11. Civil Dark: 16:14 - 08:13. Nautical Dark: 17:10 - 07:17. Astro Dark: 18:01 - 06:25

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

97
91
86
92
91
90
92
100
96
100
93
100
92
96
91
92
90
88
93
89
100
100
100
100

Medium Clouds (% Sky Obscured)

78
64
64
100
100
100
100
100
100
100
100
91
100
100
100
100
100
94
80
90
82
69
66
63

High Clouds (% Sky Obscured)

51
40
41
100
100
100
100
100
100
100
100
98
100
100
100
100
100
71
50
10
27
46
50
56

ISS Passover

Visibility (miles)

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

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Precipitation Type

None
None
None
None
None
None
None
Very 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
None
None
None
None

Precipitation Probability (%)

20
17
18
19
24
26
35
57
71
82
80
82
88
95
95
95
95
79
62
54
45
43
31
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.4
0.6
0.5
0.5
0.5
0.7
0.9
0.7
0.6
0.4
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
4
4
4
4
4
4
4
4
5

Feels Like (°C)

2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2

Dew Point (°C)

3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Relative Humidity (%)

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

Pressure (mb)

1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

271
274
276
279
282
285
285
285
286
286
288
289
290
292
293
293
293
295
299
300
298
297
294
293

Sunday 7

Waning Gibbous 87%

17:19

12:35

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 09:10, Set: 15:17, Transit: 12:14. Moon - Rise: 17:19, Set: 12:35. Civil Dark: 16:13 - 08:14. Nautical Dark: 17:09 - 07:18. Astro Dark: 18:01 - 06:27

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
96
93
89
88
87
84
88
91
95
97
98

Medium Clouds (% Sky Obscured)

58
68
77
76
77
75
75
83
90
97
95
95
94
96
98
100
99
99
98
94
91
90
93
95

High Clouds (% Sky Obscured)

64
62
58
68
70
71
77
71
63
57
74
86
100
100
100
100
100
100
100
74
45
17
17
20

ISS Passover

Visibility (miles)

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

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Precipitation Type

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

Precipitation Probability (%)

35
40
45
38
33
30
22
41
55
62
69
70
68
67
69
66
70
74
74
68
63
53
49
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
5
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
2

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1017
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1013

Ozone (du)

292
292
291
291
293
294
295
299
296
294
296
298
298
296
293
293
294
295
296
297
297
296
296
297

Monday 8

Waning Gibbous 84%

19:12

12:42

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 09:12, Set: 15:16, Transit: 12:14. Moon - Rise: 19:12, Set: 12:42. Civil Dark: 16:13 - 08:15. Nautical Dark: 17:09 - 07:19. Astro Dark: 18:00 - 06:28

Total Clouds (% Sky Obscured)

100
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)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

99
92
87
82
80
78
77
70
73
69
73
76
91
87
82
69
85
86
82
65
50
47
45
51

High Clouds (% Sky Obscured)

35
32
33
34
24
15
6
6
7
10
3
0
0
0
1
0
64
32
0
32
67
100
96
97

ISS Passover

Visibility (miles)

9
9
9
8
1
7
4
9
9
9
4
9
9
9
1
0
0
0
0
0
1
1
1
4

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Precipitation Type

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

Precipitation Probability (%)

46
41
35
35
38
34
33
26
27
25
17
24
32
40
43
38
66
65
64
62
58
55
60
66

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.3
0.2
0
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Feels Like (°C)

2
2
2
2
2
2
2
1
1
2
2
3
2
2
2
2
2
3
3
2
3
3
2
3

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
98
96
96
93
93
96
96
96
94
94
98
98
98
98
98
96
96
96
96
96

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1013
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1010
1010
1010
1010
1009

Ozone (du)

296
295
293
290
288
284
281
277
274
270
269
267
266
266
265
266
266
266
266
266
267
269
270
273

Tuesday 9

Waning Gibbous 78%

20:57

12:45

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 09:14, Set: 15:16, Transit: 12:15. Moon - Rise: 20:57, Set: 12:45. Civil Dark: 16:12 - 08:17. Nautical Dark: 17:09 - 07:20. Astro Dark: 18:00 - 06:29

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

99
99
98
97
94
89
91
95
96
98
97
95
94
93
93
94
92
89
90
95
98
100
100
100

Medium Clouds (% Sky Obscured)

54
54
68
72
77
86
91
92
92
96
93
94
94
80
75
76
83
74
64
72
80
88
67
48

High Clouds (% Sky Obscured)

97
92
98
98
100
100
100
100
100
97
98
98
100
80
53
26
21
9
1
3
5
7
16
25

ISS Passover

Visibility (miles)

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

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Precipitation Type

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

Precipitation Probability (%)

69
71
74
80
80
78
70
69
66
63
64
65
65
61
52
38
32
25
21
29
39
49
46
41

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
6
6
6
6
6
6
6
6
6
6
6
7
7
7
6
6
6
7
6
6
6
6

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
5
5
4
5
4
4
4
4
4
4
4
4
4
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
94
93
93
94
94
94
93
93
93
93
94
96
96
96
98
96
96
96
96
96
96

Pressure (mb)

1009
1008
1008
1007
1007
1006
1006
1005
1005
1004
1004
1004
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1005
1005

Ozone (du)

276
279
282
286
290
292
294
296
299
301
303
304
304
305
305
306
307
305
302
300
301
302
303
304

Wednesday 10

Waning Gibbous 68%

22:33

12:45

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
00 Bad
01 Bad

Sun - Rise: 09:15, Set: 15:15, Transit: 12:15. Moon - Rise: 22:33, 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
98
97
97
97
97
94
91
88
91
93
95
97
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
98
97
97
97
97
94
91
88
90
92
94
92
92
93
92
91
90
94
97
100

Medium Clouds (% Sky Obscured)

29
42
54
67
77
88
95
94
91
88
88
72
58
48
47
69
72
80
79
82
80
79

High Clouds (% Sky Obscured)

35
32
29
30
20
15
15
8
3
0
7
14
21
47
74
100
100
100
100
84
67
51

ISS Passover

Visibility (miles)

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

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Precipitation Type

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

Precipitation Probability (%)

34
35
36
37
45
53
59
63
67
69
64
56
45
38
30
22
20
20
10
17
17
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
2
2
2
2
2
2

Relative Humidity (%)

96
96
98
98
98
96
96
98
96
94
94
94
93
94
94
94
94
94
93
94
94
94

Pressure (mb)

1005
1005
1006
1006
1006
1007
1007
1008
1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1011
1011
1011
1011

Ozone (du)

306
307
307
307
307
312
316
321
326
331
336
335
335
335
335
335
336
328
319
311
309
308

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

Generated: 04/12/25 04:43:33. Forecast: 04/12/25 to 10/12/25. Timezone: UTC+2.00