Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Crescent 21%

10:23

21:05

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

Sun - Rise: 07:16, Set: 16:30, Transit: 11:53. Moon - Rise: 10:23, Set: 21:05. Civil Dark: 17:01 - 06:45. Nautical Dark: 17:35 - 06:11. Astro Dark: 18:09 - 05:37

Total Clouds (% Sky Obscured)

98
90
96
90
87
77
75
63
17
9
6
18
26
37
40
36
22
8
3
2
3
2
3
12

Low Clouds (% Sky Obscured)

77
81
83
89
85
72
71
63
14
8
5
13
23
33
37
36
22
8
2
2
3
2
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
3
12

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
1

ISS Passover

Visibility (miles)

0
0
0
4
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
2
1
0
0
2
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
7
8
9
8
12
15
17
16
16
15
15
15
14
13
15
14
14
12
8
6
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
98
93
72
67
66
66
64
67
65
64
61
59
59
61
63
65
69
72
74
76
76

Pressure (mb)

1014
1013
1012
1012
1012
1011
1011
1012
1013
1013
1015
1016
1017
1017
1017
1018
1020
1021
1023
1024
1025
1026
1026
1026

Ozone (du)

304
304
302
302
301
301
304
304
305
302
301
302
306
309
316
318
317
318
317
317
314
310
310
312

Wednesday 24

Waxing Crescent 30%

10:46

No Set

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Good
21 Bad

Sun - Rise: 07:17, Set: 16:30, Transit: 11:54. Moon - Rise: 10:46, Set: No Set. Civil Dark: 17:01 - 06:46. Nautical Dark: 17:36 - 06:11. Astro Dark: 18:10 - 05:38

Total Clouds (% Sky Obscured)

21
48
70
94
95
92
100
96
100
55
86
96
96
95
100
100
65
93
94
76
63
63
6
45

Low Clouds (% Sky Obscured)

1
2
4
18
39
45
50
50
52
4
31
29
25
30
30
22
1
21
20
20
22
18
2
0

Medium Clouds (% Sky Obscured)

21
42
64
93
15
79
100
96
100
45
83
63
96
21
22
0
0
0
2
0
0
0
0
0

High Clouds (% Sky Obscured)

2
8
32
50
68
39
95
43
38
3
30
4
8
56
100
100
65
87
90
72
61
52
3
45

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
5
3
1
4
0
1
8
43
15
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)

3
2
3
3
4
4
4
4
6
7
10
10
11
9
10
9
9
8
11
10
15
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-6
-6
-6
-6
-6
-6
-5
-5
-5
-4
-4
-4
-4
-3
-2
-1
-0
-3
-3
-5
-7
-9
-11

Relative Humidity (%)

76
76
75
75
75
75
74
74
71
74
77
71
65
70
75
78
73
71
65
67
61
61
57
55

Pressure (mb)

1025
1025
1025
1024
1024
1023
1021
1020
1019
1018
1017
1016
1015
1014
1012
1011
1010
1011
1012
1013
1015
1016
1017
1018

Ozone (du)

312
312
311
311
309
313
317
318
322
326
326
326
331
339
355
360
364
361
356
353
348
349
346
344

Thursday 25

Waxing Crescent 41%

11:08

22:12

22 OK
23 Bad
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
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

Sun - Rise: 07:17, Set: 16:31, Transit: 11:54. Moon - Rise: 11:08, Set: 22:12. Civil Dark: 17:02 - 06:46. Nautical Dark: 17:37 - 06:11. Astro Dark: 18:10 - 05:38

Total Clouds (% Sky Obscured)

16
78
1
0
2
13
3
10
11
25
58
54
54
100
86
100
100
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
13
5
26
96
98
99
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
3
35
20
31
39
46
86
99
38
100
99
98
100
100
100

High Clouds (% Sky Obscured)

7
78
0
0
1
4
1
4
8
25
51
38
26
100
86
100
100
100
99
99
94
78
43
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
4
1
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

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
24
35
90
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
1.2
1.6

Wind Speed/Direction (mph)

14
13
12
12
13
11
11
11
11
12
11
11
9
7
7
6
5
6
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-11
-12
-11
-12
-12
-12
-12
-13
-14
-14
-13
-12
-10
-10
-8
-7
-8
-8
-8
-9
-8
-8
-8

Dew Point (°C)

-13
-15
-16
-17
-17
-18
-18
-18
-18
-19
-20
-20
-21
-21
-22
-22
-22
-22
-21
-21
-21
-19
-16
-14

Relative Humidity (%)

50
48
46
45
43
42
43
43
43
40
37
35
30
27
24
22
22
22
23
25
25
30
36
44

Pressure (mb)

1019
1020
1021
1022
1023
1023
1023
1024
1025
1025
1025
1026
1025
1025
1023
1022
1022
1022
1022
1022
1021
1021
1020
1021

Ozone (du)

340
337
334
333
331
330
326
325
323
316
312
310
309
305
304
302
304
306
309
311
315
320
319
320

Friday 26

Waxing Crescent 52%

11:29

23:21

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 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:17, Set: 16:32, Transit: 11:55. Moon - Rise: 11:29, Set: 23:21. Civil Dark: 17:03 - 06:46. Nautical Dark: 17:37 - 06:12. Astro Dark: 18:11 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
99
97
96
97
98
100
99
81
62
65
66
52
48
42
42
56
74
89
97
94
97

Low Clouds (% Sky Obscured)

100
100
100
97
94
90
94
95
100
99
81
62
65
66
52
48
42
32
31
35
39
39
42
53

Medium Clouds (% Sky Obscured)

100
100
100
98
79
89
93
93
100
87
49
48
50
50
50
37
23
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
0
3
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
43
65
44
22
1

ISS Passover

Visibility (miles)

1
1
0
0
1
9
9
8
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

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

Precipitation Probability (%)

95
95
95
94
86
88
79
68
53
52
50
47
43
37
28
23
17
4
5
4
0
0
0
0

Precipitation Amount (mm)

1.5
1.1
0.7
0.6
0.5
0.6
0.5
0.3
0.2
0.2
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
79
87
90
85
66
57
65
77
77
76
72
65
62
57
56
55
57
66
76
76
75
73
72

Pressure (mb)

1020
1020
1019
1019
1019
1018
1018
1018
1019
1019
1020
1021
1022
1021
1021
1021
1022
1022
1022
1023
1023
1024
1024
1024

Ozone (du)

324
326
327
328
334
333
336
339
340
341
341
342
337
334
336
334
335
334
331
327
325
325
325
324

Saturday 27

First Quarter 63%

11:52

00:31

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
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:18, Set: 16:32, Transit: 11:55. Moon - Rise: 11:52, Set: 00:31. Civil Dark: 17:03 - 06:47. Nautical Dark: 17:38 - 06:12. Astro Dark: 18:12 - 05:38

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)

62
72
81
80
83
93
95
95
95
97
98
100
100
99
99
56
63
71
81
90
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
1
1
0
25
30
78
81
90
96
99
100
100
100
100

High Clouds (% Sky Obscured)

16
31
46
66
84
97
73
71
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
9
9
9
9
9
6
3
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

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

Precipitation Probability (%)

0
0
0
0
1
0
1
2
1
8
13
15
17
20
24
41
59
74
73
66
55
63
74
85

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-8
-8
-8
-8
-8
-7
-7
-5
-6
-5
-5
-5
-4
-4
-4
-3
-3
-3
-3
-3
-2
-1
-1

Dew Point (°C)

-9
-9
-9
-9
-9
-9
-8
-8
-7
-6
-6
-6
-5
-4
-3
-3
-1
-0
1
1
2
3
3
4

Relative Humidity (%)

73
72
72
73
73
73
76
68
72
76
76
74
75
77
80
83
88
93
98
98
100
100
98
98

Pressure (mb)

1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1022
1021
1021
1019
1017
1016
1017
1016
1015
1014
1013
1011
1010
1008

Ozone (du)

326
326
324
323
323
320
321
320
320
320
319
321
323
323
322
320
319
318
317
318
319
320
322
324

Sunday 28

Waxing Gibbous 74%

12:19

01:44

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 OK
13 Bad
14 OK
15 OK
16 OK
17 Bad
18 Bad
19 Bad
20 OK
21 OK

Sun - Rise: 07:18, Set: 16:33, Transit: 11:56. Moon - Rise: 12:19, Set: 01:44. Civil Dark: 17:04 - 06:47. Nautical Dark: 17:39 - 06:12. Astro Dark: 18:12 - 05:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
95
90
85
70
55
40
46
27
33
36
42
49
41
34
24

Low Clouds (% Sky Obscured)

100
100
100
97
93
90
82
75
67
73
79
85
70
55
40
46
27
33
36
42
49
41
32
20

Medium Clouds (% Sky Obscured)

100
100
100
90
84
77
57
38
15
10
4
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
67
33
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
3
6
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

93
93
95
95
95
95
95
93
39
23
11
0
4
4
2
5
6
3
7
9
9
10
7
1

Precipitation Amount (mm)

0.5
0.5
0.6
0.8
1.1
1.8
1.2
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
8
9
10
11
13
13
13
14
15
15
15
16
16
17
16
15
13
14
14
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-0
0
1
2
0
-0
-0
-0
-0
1
-8
-8
-9
-9
-9
-9
-8
-9
-9
-10
-9
-10
-11
-11

Dew Point (°C)

5
4
4
3
2
1
-0
-2
-5
-7
-9
-9
-10
-11
-12
-12
-12
-12
-12
-12
-12
-12
-12
-13

Relative Humidity (%)

100
98
98
98
89
83
76
74
70
68
63
60
56
53
51
48
50
52
54
58
59
60
59
56

Pressure (mb)

1006
1005
1003
1002
1001
999
998
998
998
998
999
999
999
999
999
999
999
999
1000
1000
1000
1001
1001
1000

Ozone (du)

326
329
333
336
339
341
344
351
358
365
366
368
369
371
373
375
375
374
373
381
389
397
401
405

Monday 29

Waxing Gibbous 84%

12:52

03:01

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
18 Bad

Sun - Rise: 07:18, Set: 16:34, Transit: 11:56. Moon - Rise: 12:52, Set: 03:01. Civil Dark: 17:05 - 06:47. Nautical Dark: 17:40 - 06:12. Astro Dark: 18:13 - 05:39

Total Clouds (% Sky Obscured)

40
56
72
81
91
100
99
95
84
81
89
98
94
90
92
98
99
100
86
71
57

Low Clouds (% Sky Obscured)

27
33
39
59
78
98
92
84
77
78
69
70
73
77
82
81
79
79
64
47
30

Medium Clouds (% Sky Obscured)

23
46
68
79
89
97
92
87
78
55
37
26
16
3
3
2
1
0
0
0
0

High Clouds (% Sky Obscured)

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

Fog (%)

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

Precipitation Probability (%)

6
6
2
4
3
1
7
8
4
7
6
2
7
8
6
7
6
5
5
5
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

Wind Speed/Direction (mph)

15
15
15
15
16
16
16
16
15
15
14
14
14
14
14
14
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-11
-11
-12
-12
-12
-12
-12
-12
-12
-12
-11
-11
-11
-11
-7
-8
-8
-8
-8

Dew Point (°C)

-13
-13
-13
-12
-12
-12
-12
-11
-11
-10
-10
-11
-11
-10
-10
-9
-9
-9
-9
-9
-9

Relative Humidity (%)

55
56
58
60
60
60
61
65
67
71
65
60
56
55
54
53
55
57
59
60
62

Pressure (mb)

1000
1000
1000
1000
1000
1000
1000
1001
1001
1002
1003
1003
1004
1004
1004
1004
1005
1005
1006
1007
1008

Ozone (du)

409
409
410
410
415
419
423
430
437
444
443
442
440
435
430
424
422
420
418
417
417

Forecast for Westport, Fairfield, United States of America (41.13,-73.36)

Generated: 23/12/25 22:04:45. Forecast: 23/12/25 to 29/12/25. Timezone: UTC-5.00