Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 13%

10:01

20:04

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: 07:19, Set: 16:36, Transit: 11:58. Moon - Rise: 10:01, Set: 20:04. Civil Dark: 17:07 - 06:49. Nautical Dark: 17:41 - 06:14. Astro Dark: 18:14 - 05:41

Total Clouds (% Sky Obscured)

88
77
91
100
100
100
100
100
100
100
100
99
98
100
100
100
99
98
97
94
83
77
68
64

Low Clouds (% Sky Obscured)

48
37
49
46
64
95
76
95
80
95
89
91
97
100
100
100
99
89
94
90
77
62
59
55

Medium Clouds (% Sky Obscured)

88
77
91
98
96
100
100
100
100
99
100
96
94
100
91
67
67
58
71
4
0
0
0
0

High Clouds (% Sky Obscured)

50
43
69
99
100
100
100
100
100
96
94
30
4
7
3
41
55
50
38
2
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
4
5
5
1
2
1
0
0
0
0
0
0
0
0
0
7
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
5
5
22
31
47
61
83
95
95
95
95
95
74
37
25
8
4
16
21
1
3
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.2
0.4
1
0.8
0.6
0.9
0.6
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
65
67
65
65
67
73
88
91
94
98
100
100
100
100
98
98
100
100
100
98
96
96
98

Pressure (mb)

1030
1030
1029
1028
1029
1028
1027
1026
1026
1025
1024
1023
1022
1021
1019
1017
1016
1016
1015
1015
1015
1015
1015
1015

Ozone (du)

297
293
288
288
285
287
289
293
297
298
296
293
291
292
292
292
294
294
296
296
298
303
305
302

Tuesday 23

Waxing Crescent 21%

10:27

21:11

22 Bad
23 Bad
00 Bad
01 Bad
02 OK
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 OK
16 OK
17 OK
18 OK
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:20, Set: 16:37, Transit: 11:58. Moon - Rise: 10:27, Set: 21:11. Civil Dark: 17:07 - 06:49. Nautical Dark: 17:42 - 06:15. Astro Dark: 18:15 - 05:41

Total Clouds (% Sky Obscured)

68
69
68
59
26
26
25
20
18
20
29
28
24
12
12
3
7
32
21
23
48
68
71
83

Low Clouds (% Sky Obscured)

54
54
65
59
26
26
25
20
18
20
29
28
24
10
6
0
1
0
0
2
2
1
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
7
12
68
64
71

High Clouds (% Sky Obscured)

2
4
0
0
0
0
0
0
0
2
2
4
0
2
5
2
5
31
15
11
33
38
46
65

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)

7
7
7
9
10
10
11
12
14
14
14
14
14
14
14
14
13
12
10
6
4
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
88
83
83
82
79
75
70
72
70
71
69
70
68
68
68
70
80
83
83
83
83

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1015
1016
1018
1019
1020
1021
1022
1021
1021
1022
1023
1024
1025
1026
1027
1027
1027

Ozone (du)

301
305
303
301
301
303
305
306
307
305
304
305
306
307
306
306
307
309
310
309
309
308
309
308

Wednesday 24

Waxing Crescent 30%

10:50

No Set

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: 07:20, Set: 16:37, Transit: 11:59. Moon - Rise: 10:50, Set: No Set. Civil Dark: 17:08 - 06:49. Nautical Dark: 17:42 - 06:15. Astro Dark: 18:16 - 05:42

Total Clouds (% Sky Obscured)

86
100
100
100
98
100
100
100
78
82
78
97
87
98
100
100
100
100
100
100
100
100
100
89

Low Clouds (% Sky Obscured)

1
3
9
16
6
27
18
15
10
5
8
83
78
94
100
47
5
4
2
0
0
0
0
1

Medium Clouds (% Sky Obscured)

46
48
74
99
93
100
100
100
78
64
31
73
20
28
28
13
15
21
16
14
45
32
99
72

High Clouds (% Sky Obscured)

59
100
100
100
91
99
99
99
23
11
0
43
12
50
93
100
100
100
100
100
100
100
100
86

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
3
19
13
3
1
3
7
1
1
1
2
1
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
4
3
2
2
2
2
1
4
4
5
6
8
9
8
7
7
7
6
5
4
5
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
83
81
80
79
79
81
83
83
84
73
65
76
85
91
91
89
91
94
93
88
78
81

Pressure (mb)

1027
1027
1026
1025
1025
1024
1023
1022
1022
1021
1021
1020
1019
1017
1016
1015
1015
1014
1014
1015
1016
1016
1017
1017

Ozone (du)

309
308
310
313
315
314
314
315
316
319
316
319
323
323
322
322
321
321
319
318
317
317
316
314

Thursday 25

Waxing Crescent 41%

11:13

22:18

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: 07:20, Set: 16:38, Transit: 11:59. Moon - Rise: 11:13, Set: 22:18. Civil Dark: 17:09 - 06:50. Nautical Dark: 17:43 - 06:15. Astro Dark: 18:16 - 05:42

Total Clouds (% Sky Obscured)

73
99
100
100
100
99
98
97
96
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
0
9
18
27
36
47
58
59
81
77
87
88
92
93
94
96
95
93
92
95
97
100

Medium Clouds (% Sky Obscured)

16
20
25
71
86
64
29
27
96
98
99
100
98
98
100
100
100
100
100
100
100
99
99
98

High Clouds (% Sky Obscured)

73
99
100
73
55
32
34
36
31
59
80
100
100
98
100
100
100
100
100
100
100
92
84
76

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
1
1
1
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
Snow
Snow
Snow
Snow
Snow
Snow
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai

Precipitation Probability (%)

0
0
0
1
3
4
12
21
36
44
49
51
54
60
72
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.8
1.4
2
2.4
3.6
4.4
3.3
2.8
2.1

Wind Speed/Direction (mph)

5
5
6
6
7
8
8
8
7
7
7
7
7
7
7
8
9
9
10
10
10
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-2
-5
-5
-6
-7
-7
-8
-7
-7
-7
-7
-6
-6
-5
-6
-6
-6
-6
-7
-7
-7
-7
-8

Dew Point (°C)

-2
-2
-4
-5
-6
-8
-8
-8
-9
-9
-10
-11
-12
-12
-12
-11
-10
-11
-11
-10
-5
-4
-3
-3

Relative Humidity (%)

83
83
75
71
67
61
61
60
57
56
54
49
46
44
42
46
50
50
48
55
86
96
96
96

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1021
1021
1021
1020
1019
1018
1017
1017
1016
1015
1015
1015
1014
1014

Ozone (du)

312
310
307
304
302
300
299
298
298
298
295
293
290
288
286
286
286
288
289
291
294
304
309
318

Friday 26

Waxing Crescent 52%

11:35

23:26

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: 07:21, Set: 16:39, Transit: 12:00. Moon - Rise: 11:35, Set: 23:26. Civil Dark: 17:09 - 06:50. Nautical Dark: 17:44 - 06:16. Astro Dark: 18:17 - 05:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
94
93
78
65
58
82
72
89

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
74
63
54
40
30
19
27
35
43

Medium Clouds (% Sky Obscured)

97
93
93
90
78
51
48
45
50
45
44
39
26
12
0
12
23
38
47
65
58
82
58
59

High Clouds (% Sky Obscured)

50
9
0
0
0
0
0
0
4
3
3
4
3
7
52
77
78
80
78
65
58
60
37
19

ISS Passover

Visibility (miles)

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

Frozen rai
Frozen rai
Snow
Snow
Snow
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
67
65
57
44
45
46
53
50
44
41
38
32
37
17
15
11
12
13
13
17
23
28

Precipitation Amount (mm)

1.5
0.8
0.2
0.3
0.2
0
0.1
0.1
0.2
0.2
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
10
10
10
10
10
10
9
8
8
7
7
7
7
6
9
8
8
7
6
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
96
96
96
98
96
94
96
94
96
94
96
96
94
96
96
96
96
96
98
98
100

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1014
1015
1016
1016
1017
1018
1018
1017
1017
1016
1016
1017
1017
1017
1018
1017
1017

Ozone (du)

323
323
323
323
323
320
317
318
317
317
315
312
311
309
308
308
308
307
306
307
308
309
308
307

Saturday 27

First Quarter 63%

11:58

00:35

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 OK

Sun - Rise: 07:21, Set: 16:39, Transit: 12:00. Moon - Rise: 11:58, Set: 00:35. Civil Dark: 17:10 - 06:50. Nautical Dark: 17:44 - 06:16. Astro Dark: 18:17 - 05:43

Total Clouds (% Sky Obscured)

94
89
94
92
88
82
87
93
100
100
100
100
100
100
100
100
100
100
75
49
20
13
14
11

Low Clouds (% Sky Obscured)

42
44
46
44
42
40
39
38
36
58
79
100
99
98
96
98
99
100
75
44
12
10
8
7

Medium Clouds (% Sky Obscured)

64
76
90
80
75
57
50
44
37
53
77
98
67
22
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

21
32
38
42
47
56
65
82
100
100
100
100
100
100
100
100
100
100
72
49
20
13
9
0

ISS Passover

Visibility (miles)

2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
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
Frozen rai
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

48
54
48
59
67
76
93
95
95
93
69
39
37
42
52
85
95
95
95
92
75
61
39
7

Precipitation Amount (mm)

0
0.2
0
0.3
0.4
0.5
0.8
0.9
1
0.7
0.4
0
0
0
0.2
0.5
0.8
1.1
0.9
0.7
0.4
0.3
0
0

Wind Speed/Direction (mph)

3
3
3
2
2
2
2
1
1
1
3
4
6
7
8
9
9
9
8
8
9
9
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
96
94
89
88
83
81
78
77

Pressure (mb)

1017
1016
1015
1015
1014
1013
1012
1011
1010
1010
1009
1009
1008
1007
1006
1005
1004
1003
1002
1001
1001
1000
1000
1000

Ozone (du)

306
304
302
301
300
299
298
299
300
300
304
308
312
315
318
321
330
338
346
350
354
358
364
369

Sunday 28

Waxing Gibbous 74%

12:25

01:48

22 OK
23 OK
00 OK
01 OK
02 OK
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: 07:21, Set: 16:40, Transit: 12:01. Moon - Rise: 12:25, Set: 01:48. Civil Dark: 17:11 - 06:51. Nautical Dark: 17:45 - 06:16. Astro Dark: 18:18 - 05:43

Total Clouds (% Sky Obscured)

13
16
18
26
33
50
66
76
84
77
69
67
83
91
93
77
61
45
49
52
57

Low Clouds (% Sky Obscured)

9
12
15
20
29
40
61
74
84
77
69
61
66
69
79
72
61
45
49
52
57

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
17
34
51
36
18
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
5
12
11
5
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

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 (%)

8
10
9
14
13
2
6
5
1
2
3
1
12
16
20
17
13
9
9
7
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

Wind Speed/Direction (mph)

13
14
15
16
16
17
17
17
17
17
18
18
19
18
19
19
19
18
18
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-5
-6
-10
-10
-11
-12
-12
-12
-14
-14
-13
-13
-13
-13
-9
-9
-9
-9
-9

Dew Point (°C)

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

Relative Humidity (%)

75
76
76
78
77
77
76
76
76
74
76
76
77
78
75
75
75
73
72
72
73

Pressure (mb)

1000
1000
1000
1000
1001
1001
1001
1002
1002
1002
1002
1002
1002
1002
1002
1001
1002
1003
1004
1005
1006

Ozone (du)

374
382
390
398
413
427
442
441
440
439
436
433
430
411
393
375
370
365
361
364
366

Forecast for Raritan, Somerset, United States of America (40.57,-74.63)

Generated: 22/12/25 22:23:42. Forecast: 22/12/25 to 28/12/25. Timezone: UTC-5.00