Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 6

Waning Gibbous 81%

20:33

09:39

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:22, Set: 16:31, Transit: 11:56. Moon - Rise: 20:33, Set: 09:39. Civil Dark: 17:03 - 06:50. Nautical Dark: 17:38 - 06:14. Astro Dark: 18:13 - 05:40

Total Clouds (% Sky Obscured)

99
98
92
87
99
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

83
83
70
71
72
66
56
1
1
9
57
84
57
63
75
94
94
95
91
100
100
100
92
96

Medium Clouds (% Sky Obscured)

39
16
16
54
66
87
93
100
100
100
100
100
100
100
100
100
100
97
95
77
77
99
96
89

High Clouds (% Sky Obscured)

6
5
10
11
35
89
96
100
100
100
100
100
100
94
97
57
79
98
100
96
4
24
70
65

ISS Passover

Visibility (miles)

1
1
2
2
2
7
9
9
9
9
9
9
9
5
2
1
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
18
13
16

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
1
1
1
2
16
29
85
84
80
95
91
83
95
95
85

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.5
0.4
1
0.6
0.4
1.1
0.6
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-8
-9
-10
-11
-9
-8
-6
-4
-4
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-4
-3
-4
-4

Feels Like (°C)

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

Dew Point (°C)

-9
-10
-11
-12
-10
-10
-8
-7
-7
-7
-5
-4
-4
-4
-3
-3
-3
-3
-3
-4
-4
-4
-4
-4

Relative Humidity (%)

94
92
92
90
92
87
84
79
76
78
82
87
94
98
98
98
98
98
98
96
98
98
96
96

Pressure (mb)

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

Ozone (du)

348
353
354
351
343
340
337
338
341
344
345
346
346
348
348
350
352
354
358
362
362
359
358
359

Wednesday 7

Waning Gibbous 72%

21:43

10:01

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:21, Set: 16:32, Transit: 11:57. Moon - Rise: 21:43, Set: 10:01. Civil Dark: 17:04 - 06:50. Nautical Dark: 17:39 - 06:14. Astro Dark: 18:14 - 05:40

Total Clouds (% Sky Obscured)

99
100
100
100
100
98
91
91
90
84
70
83
92
88
85
80
78
68
89
84
73
73
74
65

Low Clouds (% Sky Obscured)

91
95
94
96
94
91
88
87
83
78
60
83
92
88
85
80
78
63
25
29
21
24
46
55

Medium Clouds (% Sky Obscured)

92
98
95
100
100
93
71
68
53
22
19
22
3
3
0
0
0
0
7
55
65
60
60
11

High Clouds (% Sky Obscured)

73
100
100
100
100
42
8
0
23
8
0
0
0
0
0
0
1
3
36
33
25
35
1
1

ISS Passover

Visibility (miles)

0
0
2
1
1
1
0
1
7
2
4
7
7
7
5
5
5
9
5
8
8
8
9
8

Fog (%)

8
12
19
24
21
1
0
0
0
0
0
0
0
0
0
1
8
9
0
11
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

88
68
75
77
73
64
45
25
15
7
3
3
5
5
4
3
3
2
1
1
2
0
0
0

Precipitation Amount (mm)

0.7
0.3
0.4
0.4
0.3
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
98
96
98
96
96
94
96
96
98
98
93
96
98
94
89
94
96
96
96
96
96

Pressure (mb)

1005
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1006
1007
1008
1010
1010
1011
1012
1013
1014
1015
1015
1016
1017

Ozone (du)

360
365
370
371
371
373
373
371
368
366
368
366
359
358
355
359
357
356
355
356
358
357
354
347

Thursday 8

Waning Gibbous 72%

22:49

10:20

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
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

Sun - Rise: 07:21, Set: 16:33, Transit: 11:57. Moon - Rise: 22:49, Set: 10:20. Civil Dark: 17:05 - 06:49. Nautical Dark: 17:40 - 06:14. Astro Dark: 18:14 - 05:39

Total Clouds (% Sky Obscured)

49
47
50
52
49
38
69
73
73
65
45
55
53
38
30
31
60
46
65
70
71
81
92
100

Low Clouds (% Sky Obscured)

35
27
35
46
41
30
28
24
35
37
33
55
53
38
30
31
36
37
37
34
29
26
43
72

Medium Clouds (% Sky Obscured)

2
2
1
0
0
0
0
3
1
20
11
15
2
0
0
0
0
0
0
0
24
46
42
85

High Clouds (% Sky Obscured)

0
1
1
0
0
0
15
26
15
15
20
25
31
0
0
0
60
7
65
70
66
74
89
65

ISS Passover

Visibility (miles)

7
8
6
6
6
9
9
9
9
9
9
7
3
2
0
0
1
0
4
0
1
4
2
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
None
None
None

Precipitation Probability (%)

1
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)

3
3
2
2
2
1
2
2
2
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-4
-5
-1
1
-1
0
0
-1
-1
-1
-3
-3
-4
-4
-7
-6
-7
-7
-7
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
96
96
91
88
89
89
91
94
98
100
98
98
98
98
98
96
98
98
98
98
100

Pressure (mb)

1017
1018
1019
1020
1021
1021
1022
1022
1022
1022
1022
1022
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

344
340
335
335
337
337
337
337
334
332
330
330
328
324
323
329
331
333
335
339
339
335
332
328

Friday 9

Waning Gibbous 62%

23:54

10:38

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:21, Set: 16:34, Transit: 11:57. Moon - Rise: 23:54, Set: 10:38. Civil Dark: 17:06 - 06:49. Nautical Dark: 17:41 - 06:14. Astro Dark: 18:15 - 05:39

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

63
73
70
85
65
42
80
96
98
99
99
98
99
99
98
98
99
99
99
100
100
99
66
93

Medium Clouds (% Sky Obscured)

90
96
100
99
99
99
99
97
86
93
100
58
66
60
78
60
30
44
23
18
8
16
27
36

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
68
37
5
25
46
66
76
88
100
84
69
53

ISS Passover

Visibility (miles)

0
0
3
3
3
4
8
7
7
5
0
4
0
0
0
0
0
0
0
0
0
0
3
1

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

Precipitation Probability (%)

0
0
2
10
14
18
20
28
57
95
95
95
89
72
47
18
9
27
8
6
1
1
3
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.7
0.6
0.5
0.5
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-6
-5
-5
-5
-4
-2
-1
-1
0
-1
0
0
1
1
1
2
1
2
1
2
2
0
-0

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1024
1024
1024
1024
1023
1023
1022
1021
1020
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020

Ozone (du)

323
320
316
312
306
306
304
302
299
297
295
291
287
284
282
280
282
284
281
280
282
284
284
283

Saturday 10

Third Quarter 52%

00:59

10:57

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:21, Set: 16:35, Transit: 11:58. Moon - Rise: 00:59, Set: 10:57. Civil Dark: 17:07 - 06:49. Nautical Dark: 17:42 - 06:13. Astro Dark: 18:16 - 05:39

Total Clouds (% Sky Obscured)

98
99
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)

70
84
86
79
85
86
86
88
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

55
72
96
96
99
100
100
100
100
99
98
98
98
99
100
100
100
100
96
92
86
89
94
95

High Clouds (% Sky Obscured)

69
84
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
1
3
18
24
36
58
76
95
95
95
81
95
84
68
49
32
13
20
31
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.3
0.8
0.7
0.6
0.5
0.7
0.5
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
0
0
0
-0
-1
0
0
0
0
1
1
1
0
0
-1
-0
-0
0
0
-0

Relative Humidity (%)

98
98
98
98
98
94
89
86
84
89
94
94
98
100
98
98
96
98
96
98
98
98
98
98

Pressure (mb)

1021
1022
1022
1023
1024
1025
1025
1025
1024
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1020
1019
1019
1018

Ozone (du)

285
286
287
286
286
285
284
281
278
276
275
273
271
269
268
268
267
267
267
267
268
268
270
272

Sunday 11

Waning Crescent 42%

02:03

11:17

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK

Sun - Rise: 07:20, Set: 16:36, Transit: 11:58. Moon - Rise: 02:03, Set: 11:17. Civil Dark: 17:08 - 06:49. Nautical Dark: 17:43 - 06:13. Astro Dark: 18:17 - 05:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
98
99
99
100
96
94
90
95
96
98
92
83
72
53
34
15

Low Clouds (% Sky Obscured)

100
100
100
99
97
96
92
88
83
77
72
67
67
68
68
76
83
90
92
83
72
53
34
15

Medium Clouds (% Sky Obscured)

95
97
100
100
99
99
96
93
88
81
74
68
57
46
34
23
17
7
5
5
5
0
0
0

High Clouds (% Sky Obscured)

100
100
100
97
93
86
80
87
84
89
94
100
80
56
22
15
18
20
48
72
72
53
28
3

ISS Passover

Visibility (miles)

0
1
2
3
3
2
2
1
1
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

Frozen rai
Frozen rai
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

70
82
87
84
84
86
76
68
58
50
39
19
20
17
9
18
19
9
15
12
2
20
30
38

Precipitation Amount (mm)

0.4
0.5
0.6
0.5
0.5
0.5
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
100
98
100
100
100
100
100
98
98
100
100
91
86
81
81
81
81
83
86

Pressure (mb)

1017
1017
1017
1016
1016
1015
1015
1014
1013
1012
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

273
274
275
275
276
276
277
280
284
287
288
289
291
292
294
295
300
305
310
318
325
333
356
379

Monday 12

Waning Crescent 33%

03:08

11:41

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
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:20, Set: 16:37, Transit: 11:59. Moon - Rise: 03:08, Set: 11:41. Civil Dark: 17:09 - 06:48. Nautical Dark: 17:44 - 06:13. Astro Dark: 18:18 - 05:39

Total Clouds (% Sky Obscured)

20
29
38
49
56
65
59
56
39
35
41
35
35
35
35
37
37
40
58
79
100

Low Clouds (% Sky Obscured)

20
29
38
49
56
65
59
49
17
8
9
9
14
14
20
13
9
8
5
6
7

Medium Clouds (% Sky Obscured)

0
5
10
24
25
25
33
37
39
35
41
35
35
35
35
23
10
0
27
63
95

High Clouds (% Sky Obscured)

18
29
38
49
56
65
59
56
39
35
41
35
35
35
35
37
33
0
0
4
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

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

Precipitation Probability (%)

41
42
42
39
32
9
15
17
16
72
95
95
95
95
95
93
68
27
19
8
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
1.2
2.7
1.6
1.4
1.1
0.5
0.3
0
0
0
0

Wind Speed/Direction (mph)

4
5
6
7
8
9
10
9
9
9
9
8
8
6
4
2
3
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
83
81
78
77
74
70
66
65
65
65
65
70
74
79
81
84
86
86
86

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1014
1013
1012
1011
1010
1010
1009
1008
1008
1008
1008
1009
1008
1008

Ozone (du)

402
414
425
436
431
425
419
415
410
405
398
390
383
375
368
360
355
350
345
343
341

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 06/01/26 04:36:31. Forecast: 06/01/26 to 12/01/26. Timezone: UTC-5.00