Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 6%

10:43

18:08

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:33, Set: 16:05, Transit: 12:19. Moon - Rise: 10:43, Set: 18:08. Civil Dark: 16:47 - 07:51. Nautical Dark: 17:33 - 07:06. Astro Dark: 18:15 - 06:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
98
89
78

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
97
86
90
91
92
99
100
100
100
95
95
89
78

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

93
97
48
34
20
28
68
71
88
50
45
38
59
9
40
30
56
20
5
4
4
12
4
23

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
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)

11
13
12
11
13
13
14
15
13
12
12
12
12
14
11
12
13
12
12
14
11
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
97
95
94
100
95
97
100
99
97
97
94
93
98
94
95
97
96
95
99
88
88
88
86

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1016
1016
1016
1017
1017
1017
1017
1018
1018
1019
1019
1019

Ozone (du)

263
266
271
277
283
288
292
296
297
298
302
306
309
312
318
320
324
327
330
332
330
329
330
331

Tuesday 23

Waxing Crescent 12%

11:03

19:28

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 Good
13 OK
14 OK
15 Good
16 Good
17 Good
18 Good
19 OK
20 OK
21 OK
22 Bad
23 Bad

Sun - Rise: 08:34, Set: 16:05, Transit: 12:20. Moon - Rise: 11:03, Set: 19:28. Civil Dark: 16:48 - 07:51. Nautical Dark: 17:33 - 07:06. Astro Dark: 18:16 - 06:23

Total Clouds (% Sky Obscured)

79
75
94
89
83
83
74
72
70
64
36
26
7
14
18
6
2
2
2
33
25
40
63
60

Low Clouds (% Sky Obscured)

79
75
94
89
83
83
74
72
70
64
36
26
7
14
18
6
0
0
0
33
25
40
62
60

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

28
11
33
22
2
5
3
8
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

0
0
0
0
0
0
0
3
5
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)

11
11
11
11
11
11
11
11
12
12
12
12
12
12
13
13
13
12
12
12
11
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
86
86
86
84
86
84
83
81
80
76
72
69
69
73
77
80
83
83
81
78
78
78

Pressure (mb)

1019
1020
1020
1020
1020
1021
1021
1022
1022
1023
1024
1025
1025
1025
1025
1026
1026
1027
1028
1029
1029
1030
1031
1031

Ozone (du)

333
333
333
335
336
337
340
341
346
349
352
355
356
356
363
370
368
368
373
374
378
388
389
390

Wednesday 24

Waxing Crescent 19%

11:17

20:48

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 OK
12 Bad
13 OK
14 OK
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 08:34, Set: 16:06, Transit: 12:20. Moon - Rise: 11:17, Set: 20:48. Civil Dark: 16:49 - 07:52. Nautical Dark: 17:34 - 07:06. Astro Dark: 18:16 - 06:24

Total Clouds (% Sky Obscured)

64
61
70
81
67
43
43
42
65
72
65
38
46
33
25
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

64
61
70
81
66
43
43
42
65
72
65
38
46
33
25
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
13
5
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-2
-2
-2
-3
-4
-3
-3
-3
-4
-5
-5
-6
-7
-8
-8
-8
-8
-8
-9
-10
-11
-12
-13

Relative Humidity (%)

78
80
83
77
71
70
80
83
81
80
71
64
57
53
50
51
53
57
57
54
53
52
49
46

Pressure (mb)

1032
1032
1033
1033
1033
1033
1034
1034
1035
1036
1036
1037
1036
1036
1036
1036
1036
1036
1036
1037
1037
1037
1038
1038

Ozone (du)

388
389
387
382
382
385
384
377
370
365
361
358
356
355
355
352
355
357
359
359
355
353
354
355

Thursday 25

Waxing Crescent 28%

11:28

22:09

00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 08:34, Set: 16:07, Transit: 12:21. Moon - Rise: 11:28, Set: 22:09. Civil Dark: 16:49 - 07:52. Nautical Dark: 17:34 - 07:07. Astro Dark: 18:17 - 06:24

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
1
4
5

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
1
4
5

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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-14
-15
-16
-17
-18
-19
-19
-20
-20
-21
-21
-22
-22
-21
-21
-21
-20
-19
-19
-19
-20
-20
-20
-20

Relative Humidity (%)

43
39
37
34
33
31
31
30
29
28
25
22
20
21
21
22
25
28
28
28
27
26
26
26

Pressure (mb)

1038
1038
1038
1038
1038
1037
1037
1038
1038
1038
1038
1038
1037
1037
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036

Ozone (du)

354
354
354
353
354
351
349
344
335
331
330
329
327
322
322
322
318
314
314
312
308
307
306
305

Friday 26

Waxing Crescent 38%

11:38

23:30

00 Good
01 Good
02 Good
03 OK
04 OK
05 OK
06 OK
07 OK
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

Sun - Rise: 08:35, Set: 16:08, Transit: 12:21. Moon - Rise: 11:38, Set: 23:30. Civil Dark: 16:50 - 07:52. Nautical Dark: 17:35 - 07:07. Astro Dark: 18:18 - 06:24

Total Clouds (% Sky Obscured)

6
12
18
19
20
24
27
36
63
76
78
82
84
84
81
77
75
74
69
67
64
62
64
59

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
16
29
40
38
40
37
37
34

Medium Clouds (% Sky Obscured)

0
3
6
10
13
16
13
22
27
33
42
38
77
84
81
77
75
17
10
5
3
0
0
0

High Clouds (% Sky Obscured)

5
7
8
2
0
0
1
1
3
4
5
5
6
4
2
0
0
0
0
0
0
0
0
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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-8
-8
-8
-8
-8
-7
-7
-8
-8
-6
-5
-4
-4
-5
-5
-4
-2
-2
-2
-1
-1
-1

Dew Point (°C)

-20
-21
-21
-22
-22
-22
-22
-23
-23
-22
-23
-22
-21
-20
-18
-17
-14
-12
-9
-7
-5
-3
-2
-2

Relative Humidity (%)

27
25
25
24
24
23
23
23
22
22
21
20
20
21
24
28
35
43
53
64
74
83
87
89

Pressure (mb)

1036
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035

Ozone (du)

304
302
301
298
296
294
292
291
289
288
287
285
284
284
283
283
283
283
283
283
284
286
285
283

Saturday 27

First Quarter 49%

11:47

No Set

00 Bad
01 Bad
02 Bad
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 Good
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:35, Set: 16:08, Transit: 12:22. Moon - Rise: 11:47, Set: No Set. Civil Dark: 16:51 - 07:52. Nautical Dark: 17:36 - 07:07. Astro Dark: 18:18 - 06:25

Total Clouds (% Sky Obscured)

58
50
44
35
43
51
58
71
80
89
92
94
96
68
41
18
24
49
59
72
77
76
70
60

Low Clouds (% Sky Obscured)

33
29
27
29
39
42
51
66
78
84
89
94
96
68
39
6
1
0
0
4
12
20
22
34

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
2
2
6
9
11
8
5
2
1
1
1
1
2
2
8
15
25
21
11

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
3
0
3
6
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
0
0
0
1
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)

4
4
5
5
5
6
6
8
9
10
11
12
12
14
12
10
8
7
6
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
96
96
98
98
98
98
98
98
98
91
86
82
85
86
89
91
94
96
94
92
91
87

Pressure (mb)

1035
1034
1034
1034
1034
1033
1033
1033
1033
1033
1033
1032
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

282
281
280
281
281
281
282
282
283
285
287
289
292
294
294
294
293
296
298
301
301
302
302
305

Sunday 28

Waxing Gibbous 61%

11:57

00:52

00 Bad
01 OK
02 OK
03 Good
04 Good
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 OK
11 OK
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 08:35, Set: 16:09, Transit: 12:22. Moon - Rise: 11:57, Set: 00:52. Civil Dark: 16:52 - 07:52. Nautical Dark: 17:37 - 07:07. Astro Dark: 18:19 - 06:25

Total Clouds (% Sky Obscured)

49
38
26
5
13
26
39
45
52
56
44
31
17
13
9
4
4
7
8
7
5
5
4
3

Low Clouds (% Sky Obscured)

32
36
26
5
13
26
39
41
47
50
40
30
17
13
9
4
4
7
8
7
5
5
4
3

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

0
0
0
0
5
7
4
4
5
6
7
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
80
80
78
74
69
65
65
65
66
63
59
57
61
69
75
78
80
83
83
82
79
79

Pressure (mb)

1030
1030
1030
1030
1030
1031
1031
1031
1032
1033
1034
1034
1034
1035
1035
1035
1035
1035
1036
1036
1036
1036
1036
1036

Ozone (du)

308
311
311
311
311
309
307
306
305
304
302
301
299
297
295
294
292
293
294
295
295
296
297
297

Forecast for Handeloh, Germany (53.24,9.84)

Generated: 22/12/25 20:09:38. Forecast: 22/12/25 to 28/12/25. Timezone: UTC+1.00