Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 5

Waning Gibbous 90%

19:05

09:56

10 OK
11 OK
12 OK
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 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:14, Set: 16:24, Transit: 12:19. Moon - Rise: 19:05, Set: 09:56. Civil Dark: 17:03 - 07:35. Nautical Dark: 17:44 - 06:54. Astro Dark: 18:24 - 06:14

Total Clouds (% Sky Obscured)

34
26
20
0
0
0
0
0
0
0
0
0
0
0
0
0
11
42
33
46
71
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
29
26
34
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
18
11
0
10
99
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
7
4
23
71
99
98
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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 (%)

1
2
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1

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
5
7
9
9
9
6
5
4
4
4
4
3
3
3
3
4
4
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
58
51
53
60
64
73
80
83
81
78
75
76
76
76
78
78
82
86
87
87
86
86
83

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1018
1019
1019
1020
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021

Ozone (du)

395
403
406
407
411
408
404
402
399
397
399
396
393
391
393
388
385
382
380
380
377
375
372
371

Tuesday 6

Waning Gibbous 83%

20:28

10:15

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

Sun - Rise: 08:13, Set: 16:25, Transit: 12:20. Moon - Rise: 20:28, Set: 10:15. Civil Dark: 17:04 - 07:35. Nautical Dark: 17:46 - 06:54. Astro Dark: 18:25 - 06:14

Total Clouds (% Sky Obscured)

39
18
44
71
100
100
100
98
100
94
100
89
78
13
38
94
90
49
58
48
33
38
81
91

Low Clouds (% Sky Obscured)

0
0
0
0
0
6
50
87
87
83
74
77
70
13
38
80
83
41
40
48
28
38
31
40

Medium Clouds (% Sky Obscured)

39
18
44
71
100
100
72
94
100
93
49
89
0
0
16
22
0
2
0
13
12
1
66
82

High Clouds (% Sky Obscured)

20
1
1
0
0
0
0
0
0
0
0
0
2
0
2
35
1
0
0
0
0
0
0
33

ISS Passover

Visibility (miles)

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

Fog (%)

6
4
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
Very Light Rain
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
2
2
2
1
3
25
55
63
55
89
94
53
22
30
42
32
20
17
4
0
2
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-0
1
4
5
5
5
4
4
4
4
5
5
5
5
4
3
5
5
5
5
4
3
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
74
71
70
72
75
76
77
83
93
93
93
93
85
88
89
90
88
83
79
80
82
80
80

Pressure (mb)

1021
1020
1019
1018
1017
1016
1016
1015
1014
1013
1012
1011
1010
1010
1009
1008
1008
1009
1009
1009
1010
1011
1011
1012

Ozone (du)

370
370
372
374
378
377
379
381
383
383
386
388
387
388
382
382
378
374
364
350
339
332
325
314

Wednesday 7

Waning Gibbous 74%

21:47

10:29

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
08 Bad
09 Bad

Sun - Rise: 08:13, Set: 16:27, Transit: 12:20. Moon - Rise: 21:47, Set: 10:29. Civil Dark: 17:05 - 07:35. Nautical Dark: 17:47 - 06:53. Astro Dark: 18:26 - 06:14

Total Clouds (% Sky Obscured)

90
92
95
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

42
48
42
37
17
47
68
71
86
100
100
100
86
66
71
63
55
49
40
28
28
36
31
19

Medium Clouds (% Sky Obscured)

81
84
91
93
83
88
100
100
98
86
100
100
100
100
92
94
96
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

27
29
9
51
100
46
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
2
1
7
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
7
42
57
79
79
64
35
16
9
7
7
2
1
12
0
2
1
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.5
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
10
9
8
5
5
5
4
6
6
6
6
9
9
12
13
12
10
8
6
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
2
2
3
2
2
2
1
2
2
3
5
6
6
6
7
6
5
5
5
4
4
4
3

Relative Humidity (%)

80
79
76
78
76
80
85
85
88
91
94
100
100
91
91
91
87
87
88
90
91
91
93
91

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1010
1009
1007
1007
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

314
316
315
313
306
303
302
307
310
312
315
320
322
321
320
318
320
319
317
319
320
320
323
324

Thursday 8

Waning Gibbous 64%

23:02

10:42

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
08 Bad
09 Bad

Sun - Rise: 08:12, Set: 16:28, Transit: 12:20. Moon - Rise: 23:02, Set: 10:42. Civil Dark: 17:06 - 07:34. Nautical Dark: 17:48 - 06:53. Astro Dark: 18:27 - 06:13

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)

37
34
44
56
73
81
90
100
100
100
100
100
100
100
100
100
100
89
79
68
55
42
19
30

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
88
99
45
45
52
92
62
95
94
99
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
70
75
70
100
100
100
100
100
100
100
100
88

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

9
48
71
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
73
46
30

Precipitation Amount (mm)

0
0
0.4
0.7
1.3
1.4
1
1.6
1.7
1.5
1.7
2.1
2.4
2.7
2.7
2.4
2.1
2
1.6
1.1
0.7
0.4
0
0

Wind Speed/Direction (mph)

3
2
4
3
5
6
11
12
12
14
17
20
26
33
35
35
33
34
30
27
25
23
20
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
4
3
2
3
3
1
2
0
-3
-7
-10
-12
-11
-11
-10
-9
-8
-7
-6
-5
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

90
86
85
96
98
100
90
91
93
93
85
82
79
82
91
88
88
93
89
85
83
80
83
89

Pressure (mb)

1007
1007
1006
1004
1002
1000
999
997
995
992
989
987
986
984
983
984
985
986
988
990
991
993
994
996

Ozone (du)

325
321
320
321
322
323
321
322
324
325
330
348
361
361
359
358
356
355
360
369
386
390
393
391

Friday 9

Waning Gibbous 54%

00:15

10:53

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 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:12, Set: 16:29, Transit: 12:21. Moon - Rise: 00:15, Set: 10:53. Civil Dark: 17:07 - 07:34. Nautical Dark: 17:49 - 06:53. Astro Dark: 18:28 - 06:13

Total Clouds (% Sky Obscured)

100
100
85
71
54
59
65
70
72
72
73
55
35
18
23
28
34
39
47
51
68
84
100
100

Low Clouds (% Sky Obscured)

20
30
33
38
44
50
56
62
61
56
54
42
30
18
23
28
34
24
12
1
14
25
37
28

Medium Clouds (% Sky Obscured)

100
100
81
61
37
36
46
50
53
51
28
17
7
0
5
13
21
25
29
30
24
21
24
36

High Clouds (% Sky Obscured)

75
62
57
48
40
25
20
15
15
10
0
0
0
0
0
0
0
16
31
46
60
79
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 (%)

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 (%)

12
1
4
5
3
3
2
1
2
3
0
0
1
0
4
5
4
9
9
6
12
11
1
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)

18
18
18
18
17
17
17
17
15
14
12
11
11
11
10
9
8
7
6
6
4
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
72
71
71
71
70
68
66
66
69
69
68
68
69
76
77
79
80
82
82
83
83
85
88

Pressure (mb)

997
998
999
1000
1001
1002
1004
1005
1006
1008
1009
1010
1011
1011
1012
1013
1014
1014
1015
1015
1015
1016
1016
1016

Ozone (du)

392
390
388
387
390
387
384
384
386
391
394
393
392
392
394
389
385
380
380
381
381
374
368
361

Saturday 10

Third Quarter 44%

01:26

11:05

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
08 Bad
09 Bad

Sun - Rise: 08:11, Set: 16:31, Transit: 12:21. Moon - Rise: 01:26, Set: 11:05. Civil Dark: 17:09 - 07:33. Nautical Dark: 17:50 - 06:52. Astro Dark: 18:30 - 06:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
97
97
98
98
97
83
63
44
61
80
100
100

Low Clouds (% Sky Obscured)

22
17
45
69
96
97
98
99
98
96
93
92
91
90
79
68
59
56
55
44
46
45
37
47

Medium Clouds (% Sky Obscured)

44
49
66
78
89
92
95
100
100
100
100
88
70
50
59
71
86
69
52
37
61
80
100
92

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
91
83
74
54
35
15
20
15
15
12
14
11
41

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
7
6
4
2
5
7
9
9
9
9
9
9
9
9
8
7

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

Precipitation Probability (%)

5
4
39
56
68
75
77
82
95
95
95
95
95
95
90
76
68
72
68
50
46
42
37
42

Precipitation Amount (mm)

0
0
0
0.2
0.3
0.4
0.4
0.3
0.9
1.5
1.8
1.9
1.5
0.7
0.5
0.3
0
0.3
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
6
8
9
11
12
14
15
16
17
18
17
15
14
14
15
17
16
16
17
17
17
16

Chance of Frost

Temperature (°C)

4
5
7
7
7
8
8
8
9
9
10
10
10
11
11
10
10
10
9
9
9
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
79
82
85
88
90
91
91
91
91
93
93
93
93
91
91
91
93
93
95
93
93
93

Pressure (mb)

1016
1015
1015
1014
1013
1011
1010
1009
1007
1005
1004
1002
1001
1000
999
999
998
997
997
996
996
995
995
995

Ozone (du)

353
346
338
334
330
327
324
321
319
318
317
316
313
311
308
307
306
305
303
301
299
299
298
298

Sunday 11

Waning Crescent 35%

02:39

11:18

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

Sun - Rise: 08:11, Set: 16:32, Transit: 12:22. Moon - Rise: 02:39, Set: 11:18. Civil Dark: 17:10 - 07:33. Nautical Dark: 17:51 - 06:52. Astro Dark: 18:31 - 06:12

Total Clouds (% Sky Obscured)

100
100
86
71
57
63
70
74
73
72
71
65
62
59
56
57
55
61
65
79

Low Clouds (% Sky Obscured)

60
73
68
61
52
49
43
43
44
49
48
49
52
53
47
40
33
34
34
34

Medium Clouds (% Sky Obscured)

85
78
72
66
57
45
30
15
30
42
50
34
18
4
3
1
0
8
17
26

High Clouds (% Sky Obscured)

70
100
68
37
5
9
18
33
34
22
4
12
20
16
9
7
3
11
17
24

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

44
42
41
39
19
24
28
9
19
26
28
29
27
16
22
27
12
24
30
29

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
6
7
7
7
7
7
7
4
4
4
4
4
4
3
3
2
2
1

Dew Point (°C)

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

Relative Humidity (%)

90
88
84
84
83
81
82
84
85
84
85
85
84
81
79
82
82
85
85
85

Pressure (mb)

994
994
993
993
993
993
993
994
994
994
994
994
994
995
996
997
997
998
998
998

Ozone (du)

300
302
304
306
308
310
313
315
318
320
323
325
328
330
333
333
333
333
334
335

Welcome to Clear Outside

Forecast for Alphington, Devon, United Kingdom (50.70,-3.52)

Generated: 05/01/26 10:00:43. Forecast: 05/01/26 to 11/01/26. Timezone: UTC+0.00