Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 9%

08:44

18:45

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

Sun - Rise: 07:07, Set: 16:44, Transit: 11:56. Moon - Rise: 08:44, Set: 18:45. Civil Dark: 17:15 - 06:37. Nautical Dark: 17:49 - 06:02. Astro Dark: 18:22 - 05:29

Total Clouds (% Sky Obscured)

16
12
10
8
0
0
0
0
0
1
0
12
30
54
58
31
56
82
100
90
68
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
0
0
0
1
0
40

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
10
27
17
46
26
14
55
92
67
58
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
0
0
1
44
21
2
45
66
100
79
59
100
100
60

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
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)

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

Chance of Frost

Temperature (°C)

-9
-10
-10
-11
-11
-11
-11
-12
-12
-12
-12
-12
-13
-13
-12
-10
-8
-6
-5
-5
-4
-4
-4
-5

Feels Like (°C)

-13
-14
-14
-15
-15
-15
-15
-15
-15
-15
-15
-15
-16
-16
-15
-13
-11
-10
-9
-10
-9
-8
-9
-9

Dew Point (°C)

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

Relative Humidity (%)

55
57
60
60
59
61
62
65
66
67
70
70
71
71
70
60
53
49
47
46
49
52
54
60

Pressure (mb)

1026
1027
1028
1029
1029
1030
1030
1031
1031
1031
1032
1032
1032
1032
1033
1032
1032
1032
1030
1029
1028
1027
1027
1026

Ozone (du)

426
424
422
418
416
415
414
411
409
404
395
388
391
393
390
384
379
377
377
377
374
372
367
365

Wednesday 21

Waxing Crescent 16%

09:05

19:54

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

Sun - Rise: 07:06, Set: 16:45, Transit: 11:56. Moon - Rise: 09:05, Set: 19:54. Civil Dark: 17:16 - 06:36. Nautical Dark: 17:50 - 06:02. Astro Dark: 18:23 - 05:28

Total Clouds (% Sky Obscured)

99
100
100
99
97
97
98
97
94
88
79
10
68
100
100
37
46
36
27
19
16
15
5
18

Low Clouds (% Sky Obscured)

91
85
93
90
83
75
72
73
48
36
42
1
1
0
1
1
4
36
27
19
14
12
2
16

Medium Clouds (% Sky Obscured)

90
100
100
95
90
89
89
89
86
85
21
4
0
4
2
0
0
0
2
2
0
0
0
0

High Clouds (% Sky Obscured)

60
70
0
0
0
0
0
0
0
0
0
0
54
100
100
16
15
1
3
2
1
1
1
2

ISS Passover

Visibility (miles)

9
9
9
7
0
0
2
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
15
47
73
82
66
23
6
3
3
0
0
0
0
0
0
0
2
6
20
19
3
2
10

Precipitation Amount (mm)

0
0
0.1
0.4
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
8
8
7
9
11
12
11
11
10
9
8
8
8
9
11
12
12
11
11
11
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-9
-9
-7
-6
-5
-5
-5
-5
-5
-5
-5
-5
-6
-6
-4
-3
-2
0
0
0
-1
-2
-3

Dew Point (°C)

-11
-10
-9
-7
-3
-1
-1
-4
-4
-4
-5
-5
-5
-5
-5
-4
-3
-2
-2
-2
-2
-3
-3
-4

Relative Humidity (%)

62
65
69
75
94
96
92
71
74
73
70
71
72
74
74
73
69
68
68
67
67
67
70
74

Pressure (mb)

1026
1025
1023
1022
1021
1020
1019
1018
1017
1016
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015
1015

Ozone (du)

366
365
365
369
370
371
374
372
371
375
370
366
366
372
372
374
377
377
381
390
393
390
392
395

Thursday 22

Waxing Crescent 25%

09:25

21:03

18 OK
19 OK
20 OK
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
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:06, Set: 16:47, Transit: 11:56. Moon - Rise: 09:25, Set: 21:03. Civil Dark: 17:17 - 06:35. Nautical Dark: 17:51 - 06:01. Astro Dark: 18:24 - 05:27

Total Clouds (% Sky Obscured)

41
43
30
100
69
53
57
92
100
89
61
85
89
93
94
100
100
73
96
89
81
67
67
61

Low Clouds (% Sky Obscured)

17
14
2
1
0
15
9
0
0
0
38
30
24
3
24
47
15
19
40
31
31
30
20
10

Medium Clouds (% Sky Obscured)

2
4
30
28
50
53
57
92
100
89
61
85
89
93
93
90
80
73
92
57
12
4
1
1

High Clouds (% Sky Obscured)

8
5
0
100
50
10
10
10
15
2
2
28
45
35
46
98
100
30
55
43
25
15
5
10

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
3
1
0
1
1
1
2
3
4

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
7
8
8
8
7
7
6
5
5
5
7
9
9
9
12
12
12
13
13
13
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-6
-8
-8
-9
-9
-9
-9
-9
-10
-9
-10
-10
-11
-11
-11
-11
-11
-11
-11
-11
-11
-12
-14

Dew Point (°C)

-5
-6
-7
-8
-10
-11
-11
-10
-10
-10
-11
-11
-10
-12
-13
-12
-12
-14
-14
-13
-14
-15
-15
-16

Relative Humidity (%)

71
74
72
68
60
58
59
64
65
66
66
67
71
60
54
59
54
47
47
48
47
45
46
47

Pressure (mb)

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

Ozone (du)

391
389
388
391
393
404
409
410
411
408
405
397
391
384
383
386
392
393
395
397
386
383
385
390

Friday 23

Waxing Crescent 36%

09:46

22:14

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

Sun - Rise: 07:05, Set: 16:48, Transit: 11:56. Moon - Rise: 09:46, Set: 22:14. Civil Dark: 17:18 - 06:34. Nautical Dark: 17:52 - 06:00. Astro Dark: 18:25 - 05:27

Total Clouds (% Sky Obscured)

50
55
67
43
31
16
1
14
25
14
2
1
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
23
58
43
30
16
0
13
25
12
1
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)

5
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 (%)

5
3
19
2
6
4
3
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)

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

Chance of Frost

Temperature (°C)

-8
-9
-10
-10
-12
-13
-14
-15
-16
-16
-17
-17
-18
-18
-18
-17
-16
-15
-14
-14
-13
-13
-14
-14

Feels Like (°C)

-14
-16
-15
-17
-17
-19
-19
-20
-21
-23
-22
-22
-23
-23
-22
-22
-21
-20
-19
-18
-18
-18
-18
-19

Dew Point (°C)

-17
-17
-16
-19
-21
-23
-24
-24
-23
-24
-25
-26
-26
-27
-27
-28
-28
-28
-28
-27
-27
-27
-25
-24

Relative Humidity (%)

50
53
57
49
46
41
42
45
50
49
49
48
46
46
45
38
34
32
30
30
30
31
36
42

Pressure (mb)

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

Ozone (du)

392
399
399
396
396
381
360
348
349
351
347
347
348
348
349
343
338
334
332
335
336
336
340
338

Saturday 24

Waxing Crescent 47%

10:09

23:26

18 Good
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
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

Sun - Rise: 07:04, Set: 16:49, Transit: 11:57. Moon - Rise: 10:09, Set: 23:26. Civil Dark: 17:19 - 06:34. Nautical Dark: 17:54 - 05:59. Astro Dark: 18:26 - 05:26

Total Clouds (% Sky Obscured)

0
0
0
0
5
10
14
26
36
44
47
55
55
55
59
59
63
67
62
75
87
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
0
0
0
0
32
64

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
5
7
22
37
51
55
59
59
63
67
62
75
70
61
48
49

High Clouds (% Sky Obscured)

0
0
0
0
5
10
14
24
32
41
46
55
55
41
35
22
42
65
62
75
85
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 (%)

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
20
27

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

Chance of Frost

Temperature (°C)

-15
-15
-16
-16
-16
-16
-16
-16
-17
-17
-17
-17
-17
-17
-16
-15
-14
-13
-12
-10
-11
-11
-11
-12

Feels Like (°C)

-19
-20
-19
-20
-19
-19
-20
-19
-19
-19
-19
-19
-19
-19
-19
-18
-18
-18
-17
-17
-13
-13
-13
-14

Dew Point (°C)

-24
-24
-24
-24
-24
-24
-24
-24
-25
-25
-25
-25
-25
-24
-25
-25
-25
-25
-25
-25
-25
-25
-25
-25

Relative Humidity (%)

44
46
46
49
50
50
51
51
49
48
48
48
49
50
45
39
36
33
30
28
28
29
29
32

Pressure (mb)

1035
1035
1036
1036
1036
1036
1036
1036
1037
1037
1037
1037
1037
1037
1036
1036
1036
1035
1034
1033
1032
1031
1031
1030

Ozone (du)

338
339
335
336
339
339
338
338
338
338
335
335
338
336
338
340
342
340
339
337
334
331
329
332

Sunday 25

First Quarter 45%

10:37

00:42

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:03, Set: 16:50, Transit: 11:57. Moon - Rise: 10:37, Set: 00:42. Civil Dark: 17:21 - 06:33. Nautical Dark: 17:55 - 05:59. Astro Dark: 18:27 - 05:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
83
68
55
49
42
46
84
82
56
59
74
91
80
73

Low Clouds (% Sky Obscured)

96
97
98
99
98
96
95
94
93
91
83
68
55
49
42
46
84
82
56
59
74
74
60
45

Medium Clouds (% Sky Obscured)

60
69
74
86
87
93
100
89
79
68
49
32
22
49
42
46
76
61
29
15
8
1
0
0

High Clouds (% Sky Obscured)

100
73
46
19
15
9
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

32
50
63
69
72
76
76
76
73
67
64
59
53
48
39
33
32
31
30
31
30
28
26
25

Precipitation Amount (mm)

0
0.2
0.3
0.3
0.4
0.4
0.4
0.4
0.3
0.3
0.2
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-12
-12
-12
-12
-11
-11
-10
-10
-10
-10
-10
-11
-11
-11
-10
-9
-8
-7
-6
-5
-5
-6
-6
-6

Feels Like (°C)

-15
-15
-16
-16
-16
-15
-15
-14
-14
-14
-14
-14
-14
-14
-14
-13
-13
-12
-12
-11
-8
-9
-9
-9

Dew Point (°C)

-24
-23
-23
-23
-23
-21
-20
-20
-19
-17
-17
-16
-16
-16
-16
-16
-16
-17
-17
-18
-18
-18
-17
-16

Relative Humidity (%)

35
39
38
39
38
41
43
44
48
55
60
62
66
69
62
56
52
45
40
34
36
38
40
44

Pressure (mb)

1030
1029
1028
1027
1026
1025
1024
1023
1022
1021
1021
1020
1020
1020
1020
1020
1020
1019
1018
1018
1018
1018
1018
1018

Ozone (du)

336
339
340
340
341
342
343
344
343
342
340
338
336
334
336
339
342
342
343
343
345
348
350
358

Monday 26

Waxing Gibbous 59%

11:13

02:00

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

Sun - Rise: 07:02, Set: 16:52, Transit: 11:57. Moon - Rise: 11:13, Set: 02:00. Civil Dark: 17:22 - 06:32. Nautical Dark: 17:56 - 05:58. Astro Dark: 18:28 - 05:25

Total Clouds (% Sky Obscured)

63
44
23
2
9
17
24
18
11
5
5
4
3
2
1
0
1
2
3

Low Clouds (% Sky Obscured)

31
21
10
0
1
4
8
7
7
4
4
3
2
1
1
0
1
2
3

Medium Clouds (% Sky Obscured)

0
0
0
0
2
3
5
3
2
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

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

23
17
10
0
3
3
3
2
2
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

Wind Speed/Direction (mph)

7
8
8
8
9
9
10
10
10
9
10
10
10
10
10
11
12
12
12

Chance of Frost

Temperature (°C)

-7
-8
-9
-9
-9
-9
-9
-9
-10
-10
-11
-12
-12
-13
-12
-11
-11
-10
-9

Feels Like (°C)

-9
-9
-13
-13
-13
-12
-12
-12
-13
-14
-14
-14
-15
-15
-17
-16
-17
-17
-17

Dew Point (°C)

-16
-15
-16
-16
-15
-15
-16
-16
-17
-17
-18
-19
-21
-22
-22
-22
-23
-22
-22

Relative Humidity (%)

48
54
56
59
61
59
56
56
55
55
55
52
50
47
43
40
36
35
33

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1022
1022
1022
1023
1023
1024
1024
1024
1023

Ozone (du)

365
373
379
385
391
398
404
410
410
411
411
408
406
403
401
399
397
394
391

Forecast for Andover, Essex, United States of America (42.66,-71.14)

Generated: 20/01/26 18:48:54. Forecast: 20/01/26 to 26/01/26. Timezone: UTC-5.00