Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 23

Waxing Crescent 25%

09:45

22:13

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

Sun - Rise: 07:04, Set: 16:46, Transit: 11:56. Moon - Rise: 09:45, Set: 22:13. Civil Dark: 17:16 - 06:34. Nautical Dark: 17:51 - 06:00. Astro Dark: 18:24 - 05:26

Total Clouds (% Sky Obscured)

72
78
76
32
10
29
42
61
2
0
9
51
91
16
0
0
0
0
0
0
0
0
0
3

Low Clouds (% Sky Obscured)

67
68
76
0
0
0
12
61
0
0
9
51
89
16
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

7
50
76
14
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

70
59
40
28
6
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

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
2
4
4
2
2
8
3
1
2
1
5
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)

14
12
11
13
13
14
12
13
14
14
14
13
12
12
13
12
12
11
12
13
13
13
13
13

Chance of Frost

Temperature (°C)

-2
-2
-4
-6
-7
-8
-8
-9
-11
-12
-13
-14
-14
-15
-16
-16
-17
-17
-17
-16
-15
-13
-12
-12

Feels Like (°C)

-8
-8
-10
-12
-13
-13
-14
-16
-17
-17
-18
-19
-19
-21
-21
-21
-21
-22
-21
-21
-20
-19
-17
-17

Dew Point (°C)

-12
-12
-13
-14
-15
-17
-16
-19
-21
-21
-23
-24
-23
-23
-25
-26
-27
-27
-27
-27
-27
-26
-25
-25

Relative Humidity (%)

46
48
49
50
52
47
55
45
43
43
39
40
46
49
45
42
41
41
41
37
34
33
32
32

Pressure (mb)

1016
1017
1017
1018
1019
1020
1022
1022
1024
1025
1025
1027
1028
1028
1029
1030
1031
1032
1033
1034
1034
1034
1033
1033

Ozone (du)

401
399
377
378
379
376
379
386
392
395
392
379
349
336
335
337
344
347
338
335
332
326
320
316

Saturday 24

Waxing Crescent 36%

10:09

23:26

14 Good
15 OK
16 Bad
17 OK
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

Sun - Rise: 07:03, Set: 16:47, Transit: 11:56. Moon - Rise: 10:09, Set: 23:26. Civil Dark: 17:18 - 06:33. Nautical Dark: 17:52 - 05:59. Astro Dark: 18:25 - 05:26

Total Clouds (% Sky Obscured)

6
40
50
45
62
81
71
89
100
85
82
67
100
79
86
100
100
100
100
100
100
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
1
67
89
90
96

Medium Clouds (% Sky Obscured)

0
0
0
2
2
29
32
26
25
44
53
29
42
38
65
84
96
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

6
40
50
45
62
73
60
79
100
73
58
67
100
74
86
100
99
100
100
100
89
44
94
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
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
12
44
57

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
0.2
0.2

Wind Speed/Direction (mph)

12
11
9
9
9
9
9
9
8
8
8
8
7
7
7
6
6
6
6
5
5
4
4
3

Chance of Frost

Temperature (°C)

-11
-11
-12
-12
-13
-13
-14
-14
-14
-14
-14
-15
-15
-15
-15
-15
-15
-15
-15
-14
-12
-12
-11
-11

Feels Like (°C)

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

Dew Point (°C)

-24
-24
-23
-23
-23
-23
-22
-22
-22
-22
-23
-24
-24
-24
-24
-24
-24
-24
-25
-24
-23
-23
-23
-23

Relative Humidity (%)

33
33
37
41
43
45
47
48
48
48
47
46
45
45
45
44
43
44
42
40
38
36
36
36

Pressure (mb)

1033
1034
1034
1035
1036
1036
1036
1036
1036
1036
1037
1036
1037
1037
1037
1037
1037
1037
1037
1037
1037
1036
1034
1033

Ozone (du)

314
310
304
305
306
304
302
302
302
301
300
299
298
297
300
299
297
296
297
298
299
296
294
293

Sunday 25

First Quarter 47%

10:37

00:41

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
13 Bad

Sun - Rise: 07:02, Set: 16:49, Transit: 11:56. Moon - Rise: 10:37, Set: 00:41. Civil Dark: 17:19 - 06:32. Nautical Dark: 17:53 - 05:58. Astro Dark: 18:26 - 05:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
99
98
99
98
99
98
99
98
98

Low Clouds (% Sky Obscured)

97
99
100
100
100
100
100
100
100
100
100
100
99
95
92
92
93
93
93
93
92
91
90
90

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
96
97
96
81
97
97
96
94
93
69

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
10
20
5
15
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

68
87
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
87
66
64
57

Precipitation Amount (mm)

0.2
0.4
0.8
1.1
1.3
1.5
1.6
1.6
2.1
2.3
2.6
2.5
2
2.1
2.1
1.9
1.5
1.2
1.2
0.9
0.5
0.2
0.2
0.2

Wind Speed/Direction (mph)

4
5
5
5
3
5
7
9
9
8
13
13
14
14
14
15
15
15
14
14
14
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-23
-22
-21
-17
-13
-10
-9
-9
-9
-7
-6
-7
-10
-11
-10
-11
-12
-12
-12
-13
-13
-12
-11
-10

Relative Humidity (%)

36
39
44
65
80
87
87
88
90
92
94
92
94
94
94
94
92
92
94
92
88
86
87
88

Pressure (mb)

1032
1031
1030
1029
1028
1027
1025
1023
1021
1019
1017
1016
1015
1013
1011
1010
1009
1008
1008
1008
1008
1007
1007
1006

Ozone (du)

290
289
289
289
289
293
295
295
295
295
294
294
293
293
289
288
293
292
297
304
310
323
329
330

Monday 26

Waxing Gibbous 59%

11:12

02:00

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 OK
03 Good
04 Good
05 Good
06 OK
07 OK
08 Good
09 Good
10 OK
11 OK
12 Bad
13 Bad

Sun - Rise: 07:02, Set: 16:50, Transit: 11:56. Moon - Rise: 11:12, Set: 02:00. Civil Dark: 17:20 - 06:31. Nautical Dark: 17:54 - 05:57. Astro Dark: 18:27 - 05:24

Total Clouds (% Sky Obscured)

97
96
97
99
100
100
100
100
99
96
67
42
27
9
9
8
12
5
3
2
19
46
64
69

Low Clouds (% Sky Obscured)

88
89
91
90
78
85
77
64
68
63
44
30
17
0
0
0
0
0
0
2
1
15
10
10

Medium Clouds (% Sky Obscured)

93
61
72
98
100
30
30
100
23
23
26
14
10
3
6
5
12
4
3
0
12
30
54
63

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)

0
0
0
0
0
0
0
0
4
9
9
9
9
9
9
9
9
9
9
9
9
9
8
5

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

Snow
None
None
Snow
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

51
35
31
35
30
40
32
32
27
24
19
17
13
4
3
1
0
0
0
0
0
0
0
11

Precipitation Amount (mm)

0.2
0
0
0.1
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
8
6
3
3
3
3
5
9
11
11
12
11
10
8
6
6
8
8
9
10
10
9

Chance of Frost

Temperature (°C)

-8
-8
-8
-9
-9
-10
-10
-10
-11
-10
-11
-12
-12
-13
-14
-15
-17
-18
-15
-13
-11
-9
-8
-7

Feels Like (°C)

-14
-13
-12
-13
-13
-14
-13
-13
-15
-15
-17
-16
-17
-18
-18
-18
-19
-21
-18
-16
-15
-13
-13
-12

Dew Point (°C)

-9
-9
-9
-10
-10
-11
-11
-11
-12
-13
-15
-16
-17
-17
-17
-18
-19
-20
-18
-16
-14
-13
-12
-12

Relative Humidity (%)

90
90
90
92
92
92
94
94
92
80
73
72
70
71
74
76
80
80
78
78
73
72
68
66

Pressure (mb)

1006
1007
1007
1008
1008
1009
1009
1009
1009
1010
1010
1011
1012
1013
1014
1015
1015
1016
1017
1017
1018
1017
1017
1016

Ozone (du)

332
337
343
349
354
355
357
365
370
376
381
388
398
406
412
416
422
430
438
433
425
425
424
428

Tuesday 27

Waxing Gibbous 70%

11:58

03:18

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

Sun - Rise: 07:01, Set: 16:51, Transit: 11:57. Moon - Rise: 11:58, Set: 03:18. Civil Dark: 17:21 - 06:31. Nautical Dark: 17:55 - 05:57. Astro Dark: 18:29 - 05:23

Total Clouds (% Sky Obscured)

74
79
80
79
81
65
47
35
27
38
35
50
49
48
51
57
55
43
28
13
14
15
16
42

Low Clouds (% Sky Obscured)

5
5
25
42
63
42
21
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
10
7

Medium Clouds (% Sky Obscured)

68
74
62
48
36
31
30
30
27
23
5
5
4
0
0
0
0
1
2
2
2
1
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)

7
9
9
9
9
9
9
6
7
1
7
4
5
5
6
7
8
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 (%)

14
5
1
0
0
0
0
0
2
12
1
2
1
0
1
1
0
0
0
0
0
0
0
6

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

Chance of Frost

Temperature (°C)

-7
-7
-8
-10
-13
-12
-11
-11
-11
-11
-12
-13
-14
-15
-16
-16
-17
-17
-14
-12
-9
-8
-8
-7

Feels Like (°C)

-12
-12
-12
-14
-16
-16
-15
-16
-16
-15
-15
-17
-16
-16
-16
-17
-17
-18
-20
-19
-19
-18
-17
-15

Dew Point (°C)

-11
-11
-11
-12
-14
-13
-13
-13
-13
-13
-13
-14
-15
-16
-18
-18
-19
-19
-17
-15
-13
-13
-12
-12

Relative Humidity (%)

71
76
77
86
88
88
88
86
88
90
90
90
90
88
85
85
84
84
81
78
75
71
68
64

Pressure (mb)

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

Ozone (du)

421
416
401
396
396
394
397
393
392
387
387
388
388
389
389
396
403
409
409
409
408
405
401
398

Wednesday 28

Waxing Gibbous 81%

12:57

04:31

14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 Good
21 OK
22 OK
23 OK
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

Sun - Rise: 07:00, Set: 16:52, Transit: 11:57. Moon - Rise: 12:57, Set: 04:31. Civil Dark: 17:23 - 06:30. Nautical Dark: 17:57 - 05:56. Astro Dark: 18:30 - 05:23

Total Clouds (% Sky Obscured)

67
93
75
54
33
20
12
5
15
24
33
41
57
70
80
95
95
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
6
12
17
24
53
76
91

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
11
22
33
41
57
70
80
95
95
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
5
33
46
55
55
55
55
55
55
60
70
85
35
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
8
7
6

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 (%)

8
10
10
7
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
10
4
19

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

Chance of Frost

Temperature (°C)

-7
-7
-7
-10
-12
-14
-15
-16
-17
-17
-17
-17
-16
-16
-16
-16
-15
-15
-13
-11
-9
-7
-6
-5

Feels Like (°C)

-9
-9
-9
-9
-8
-8
-17
-17
-18
-18
-18
-19
-20
-20
-20
-20
-20
-20
-18
-17
-17
-15
-14
-13

Dew Point (°C)

-11
-11
-10
-12
-14
-16
-17
-18
-19
-19
-18
-18
-18
-18
-18
-17
-17
-16
-14
-13
-12
-10
-9
-8

Relative Humidity (%)

68
74
80
81
83
84
84
84
83
83
85
85
85
85
85
86
86
86
86
83
80
82
80
80

Pressure (mb)

1014
1015
1015
1015
1015
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1012
1012
1011
1011

Ozone (du)

403
409
415
433
450
468
471
473
476
472
468
465
463
462
461
460
459
458
456
454
452
452
452
452

Thursday 29

Waxing Gibbous 89%

No Rise

05:33

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

Sun - Rise: 06:59, Set: 16:54, Transit: 11:57. Moon - Rise: No Rise, Set: 05:33. Civil Dark: 17:24 - 06:29. Nautical Dark: 17:58 - 05:55. Astro Dark: 18:31 - 05:22

Total Clouds (% Sky Obscured)

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
99
100
98
98
97
97
97
97
98
97
93
89
80

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
97
96
87
83

High Clouds (% Sky Obscured)

50
50
60
65
65
65
70
70
72
68
59
44
22
0
0
0
0

ISS Passover

Visibility (miles)

4
2
0
1
1
2
1
1
0
0
0
0
0
0
0
0
1

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
Snow
Snow
None
Snow
Snow
Snow
None
None
Snow

Precipitation Probability (%)

29
29
26
24
21
32
34
31
44
45
37
39
47
53
34
24
39

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.1
0.1
0
0.1
0.1
0.2
0
0
0.1

Wind Speed/Direction (mph)

5
6
6
7
8
10
9
9
9
9
10
10
10
10
10
9
8

Chance of Frost

Temperature (°C)

-5
-5
-5
-6
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8

Feels Like (°C)

-9
-9
-9
-9
-9
-9
-11
-12
-12
-12
-12
-13
-13
-13
-13
-13
-13

Dew Point (°C)

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

Relative Humidity (%)

84
89
94
94
92
92
92
92
92
92
92
92
92
92
92
92
92

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014

Ozone (du)

453
454
456
462
468
474
473
473
473
473
472
472
476
479
483
483
484

Forecast for Boxford, Essex, United States of America (42.66,-70.99)

Generated: 23/01/26 14:02:04. Forecast: 23/01/26 to 29/01/26. Timezone: UTC-5.00