Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 2%

10:13

16:32

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:03, Set: 15:42, Transit: 11:53. Moon - Rise: 10:13, Set: 16:32. Civil Dark: 16:23 - 07:21. Nautical Dark: 17:08 - 06:37. Astro Dark: 17:50 - 05:55

Total Clouds (% Sky Obscured)

88
92
93
92
100
100
98
100
97
89
89
100
100
100
100
97
92
100
100
96
99
86
82
94

Low Clouds (% Sky Obscured)

71
73
86
86
88
81
75
65
48
0
19
38
24
19
26
36
34
34
53
58
41
27
32
36

Medium Clouds (% Sky Obscured)

37
79
93
92
91
93
91
67
89
89
39
59
47
96
64
81
89
99
100
86
65
86
77
57

High Clouds (% Sky Obscured)

88
92
93
92
73
100
83
100
87
55
79
100
100
100
100
76
75
100
100
85
95
52
74
68

ISS Passover

Visibility (miles)

9
9
9
9
8
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
2
43
49
25
12
3
2
3
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
95
95
95
95
93
93
91
91
91
91
87
87
85
87
87
87
88
88
88
85
81
81

Pressure (mb)

1009
1009
1009
1009
1008
1008
1008
1009
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1008
1008
1009
1009
1009
1010

Ozone (du)

321
321
319
318
318
322
324
326
328
329
331
331
331
333
338
343
348
351
353
355
357
361
363
365

Monday 22

Waxing Crescent 6%

10:33

17:47

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:03, Set: 15:43, Transit: 11:53. Moon - Rise: 10:33, Set: 17:47. Civil Dark: 16:24 - 07:22. Nautical Dark: 17:08 - 06:38. Astro Dark: 17:50 - 05:56

Total Clouds (% Sky Obscured)

93
91
82
77
59
88
86
88
94
90
96
98
100
100
99
96
97
98
96
100
99
98
96
96

Low Clouds (% Sky Obscured)

36
29
36
41
40
75
82
73
84
85
88
90
94
95
96
96
97
98
96
100
99
98
96
96

Medium Clouds (% Sky Obscured)

34
76
63
53
18
34
17
47
37
5
12
13
38
32
27
17
13
23
0
0
0
0
0
0

High Clouds (% Sky Obscured)

84
73
72
73
59
61
63
63
54
46
39
57
97
48
30
13
9
20
35
37
40
79
70
39

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)

8
8
6
6
7
7
7
7
6
6
6
7
7
8
8
9
9
9
11
12
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
85
90
90
90
91
91
91
91
93
93
93
93
93
91
91
90
90
88
88
85
84
82

Pressure (mb)

1010
1010
1010
1011
1011
1011
1012
1013
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1017
1018
1019
1019
1020
1020

Ozone (du)

366
367
368
370
372
375
377
375
374
372
371
368
365
363
358
352
350
351
348
347
346
347
346
346

Tuesday 23

Waxing Crescent 12%

10:48

19:07

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
08 Bad
09 Bad
10 Bad
11 OK
12 OK

Sun - Rise: 08:04, Set: 15:43, Transit: 11:54. Moon - Rise: 10:48, Set: 19:07. Civil Dark: 16:25 - 07:22. Nautical Dark: 17:09 - 06:38. Astro Dark: 17:51 - 05:56

Total Clouds (% Sky Obscured)

91
92
93
94
93
94
75
93
98
93
81
67
70
75
90
96
93
87
73
76
59
51
43
41

Low Clouds (% Sky Obscured)

91
92
93
94
93
94
75
93
97
93
81
67
70
75
87
94
89
80
72
68
57
46
35
33

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
16
69
68
6
4
0
0
0
2

High Clouds (% Sky Obscured)

23
11
50
54
37
43
18
40
55
40
11
7
22
40
55
53
50
25
20
39
15
24
39
35

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)

13
12
12
11
11
12
12
12
12
12
12
13
12
13
13
13
14
14
15
15
16
16
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
84
88
88
88
88
86
88
86
85
83
80
78
76
75
75
73
76
76
76
72
68
67

Pressure (mb)

1020
1021
1021
1022
1022
1023
1024
1025
1025
1026
1026
1026
1027
1028
1028
1029
1029
1030
1031
1032
1033
1033
1033
1034

Ozone (du)

346
347
346
344
345
346
346
347
345
342
339
333
326
325
329
333
335
334
338
340
336
335
335
333

Wednesday 24

Waxing Crescent 19%

11:00

20:26

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

Sun - Rise: 08:04, Set: 15:44, Transit: 11:54. Moon - Rise: 11:00, Set: 20:26. Civil Dark: 16:25 - 07:23. Nautical Dark: 17:10 - 06:38. Astro Dark: 17:51 - 05:56

Total Clouds (% Sky Obscured)

34
31
47
53
67
66
65
59
53
51
45
37
33
27
29
26
27
20
12
2
1
0
0
0

Low Clouds (% Sky Obscured)

33
31
47
53
67
66
65
59
53
51
45
37
33
27
29
26
27
20
12
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)

2
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)

16
16
16
15
14
14
14
15
15
15
14
14
14
14
15
16
17
17
17
18
19
20
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
65
66
66
67
68
69
68
68
67
68
69
71
71
71
68
68
68
68
66
61
55
50
47

Pressure (mb)

1034
1034
1034
1035
1035
1035
1035
1035
1036
1035
1035
1035
1035
1035
1034
1034
1033
1033
1033
1033
1033
1033
1033
1032

Ozone (du)

331
332
332
332
332
333
336
338
340
342
343
342
337
333
332
333
333
333
334
335
340
341
341
340

Thursday 25

Waxing Crescent 28%

11:11

21:46

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

Sun - Rise: 08:04, Set: 15:44, Transit: 11:55. Moon - Rise: 11:11, Set: 21:46. Civil Dark: 16:26 - 07:23. Nautical Dark: 17:10 - 06:38. Astro Dark: 17:52 - 05:57

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
2
2
1
1
1
11
22
33
29
24
19
21
25
29
28

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
22
33
29
24
19
21
25
29
28

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
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
1
1
1
1
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)

19
18
18
17
17
17
16
16
16
15
15
14
13
12
11
11
11
10
10
9
9
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
45
46
47
48
52
57
63
66
68
68
69
70
73
74
77
79
80
82
83
85
80
76
72

Pressure (mb)

1032
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031

Ozone (du)

340
341
342
343
341
338
338
341
344
341
338
337
337
336
335
336
336
337
338
340
341
343
344
346

Friday 26

Waxing Crescent 38%

11:21

23:05

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

Sun - Rise: 08:04, Set: 15:45, Transit: 11:55. Moon - Rise: 11:21, Set: 23:05. Civil Dark: 16:27 - 07:23. Nautical Dark: 17:11 - 06:39. Astro Dark: 17:53 - 05:57

Total Clouds (% Sky Obscured)

27
27
40
53
66
71
75
80
55
26
0
21
41
62
46
34
45
52
59
58
52
54
52
57

Low Clouds (% Sky Obscured)

27
27
18
9
0
10
19
29
29
25
0
20
5
5
0
0
0
0
0
5
24
33
44
49

Medium Clouds (% Sky Obscured)

0
0
0
0
0
8
19
28
23
23
0
21
20
21
14
9
5
12
19
23
25
27
21
26

High Clouds (% Sky Obscured)

0
0
20
40
63
70
75
80
54
26
0
14
26
37
30
23
19
22
25
29
28
34
40
29

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
1
1
1
5
6
2
8
8
5
10
10
6
12
13
8
13
13
11
10

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
8
7
7
6
6
7
7
7
6
6
7
7
7
8
9
9
10
10
11
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
77
80
82
83
86
82
80
77
79
79
80
79
79
79
79
79
79
79
80
80
79
76
75

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1033

Ozone (du)

348
350
351
354
357
359
362
364
367
369
371
372
373
373
373
373
372
372
372
373
374
372
370
368

Saturday 27

First Quarter 50%

11:33

00:27

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 OK

Sun - Rise: 08:04, Set: 15:46, Transit: 11:56. Moon - Rise: 11:33, Set: 00:27. Civil Dark: 16:27 - 07:23. Nautical Dark: 17:12 - 06:39. Astro Dark: 17:53 - 05:57

Total Clouds (% Sky Obscured)

63
72
65
57
50
53
56
61
54
46
40
32
27
25
32
32
25

Low Clouds (% Sky Obscured)

56
63
60
53
49
52
55
57
53
46
39
27
16
5
9
12
14

Medium Clouds (% Sky Obscured)

31
43
33
17
1
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

15
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

8
2
12
17
20
18
15
11
15
18
21
24
26
27
30
29
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
16
16
16
16
16
15
14
14
14
14
13
12
10
10
9
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
74
72
74
75
75
75
74
74
71
67
63
64
67
69
71
73

Pressure (mb)

1033
1033
1033
1033
1033
1033
1033
1033
1034
1033
1033
1033
1033
1032
1032
1032
1032

Ozone (du)

368
367
367
364
362
360
358
355
353
351
349
347
345
343
340
341
341

Forecast for Thwaite, Norfolk, United Kingdom (52.50,1.43)

Generated: 21/12/25 13:58:27. Forecast: 21/12/25 to 27/12/25. Timezone: UTC+0.00