Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 6

Waning Gibbous 76%

00:26

08:52

14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good
00 OK
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: 06:15, Set: 19:16, Transit: 12:46. Moon - Rise: 00:26, Set: 08:52. Civil Dark: 19:45 - 05:46. Nautical Dark: 20:19 - 05:12. Astro Dark: 20:54 - 04:36

Total Clouds (% Sky Obscured)

83
83
77
65
16
0
0
0
0
0
24
77
79
96
99
100
99
100
95
96
99
92
86
91

Low Clouds (% Sky Obscured)

71
70
62
50
16
0
0
0
0
0
0
27
42
65
63
88
66
75
74
90
99
87
62
76

Medium Clouds (% Sky Obscured)

19
15
4
3
0
0
0
0
0
0
22
64
66
88
98
100
98
100
91
93
2
6
68
77

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)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
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
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
2
2
1
17
25
23
35
64
67
43
48
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0

Wind Speed/Direction (mph)

15
15
15
15
13
11
10
9
7
5
5
4
2
2
2
2
3
4
6
5
6
5
4
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-6
-5
-5
-6
-5
-5
-5
-5
-5
-5
-6
-6
-5
-5
-4
-3
-2
0
-0
3
4

Relative Humidity (%)

33
32
32
34
38
40
41
45
48
51
52
53
54
53
54
57
59
62
63
63
72
70
80
90

Pressure (mb)

1013
1012
1013
1013
1014
1015
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

358
366
372
382
386
388
391
395
396
397
397
392
389
387
387
384
381
380
379
378
376
378
377
383

Tuesday 7

Waning Gibbous 67%

01:21

09:43

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

Sun - Rise: 06:13, Set: 19:17, Transit: 12:46. Moon - Rise: 01:21, Set: 09:43. Civil Dark: 19:46 - 05:44. Nautical Dark: 20:20 - 05:10. Astro Dark: 20:56 - 04:34

Total Clouds (% Sky Obscured)

96
98
96
100
93
39
66
22
13
25
55
34
3
0
0
0
0
0
0
0
3
3
2
0

Low Clouds (% Sky Obscured)

83
90
88
98
79
39
65
5
4
9
15
9
1
0
0
0
0
0
0
0
1
1
1
0

Medium Clouds (% Sky Obscured)

78
9
20
27
20
0
0
0
0
0
0
0
0
0
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
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
8
9
5
9
9
8
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
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

81
59
44
55
37
13
11
6
19
8
5
4
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.8
0.3
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
6
7
6
8
13
13
11
13
14
12
12
12
11
10
9
8
8
6
6
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
3
3
3
2
-0
0
1
-1
-4
-3
-6
-9
-11
-12
-13
-13
-13
-13
-11
-9
-9
-10
-10

Relative Humidity (%)

91
94
94
94
91
80
85
91
80
65
74
61
50
44
41
40
39
39
38
45
48
44
39
37

Pressure (mb)

1020
1021
1021
1022
1023
1025
1026
1028
1029
1030
1031
1032
1033
1034
1034
1035
1036
1037
1038
1038
1039
1039
1039
1039

Ozone (du)

384
384
385
390
396
402
402
402
401
401
402
403
404
403
402
403
397
394
393
391
383
378
375
375

Wednesday 8

Waning Gibbous 58%

02:09

10:41

14 Good
15 Good
16 Good
17 Good
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 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good

Sun - Rise: 06:11, Set: 19:18, Transit: 12:45. Moon - Rise: 02:09, Set: 10:41. Civil Dark: 19:47 - 05:42. Nautical Dark: 20:21 - 05:08. Astro Dark: 20:57 - 04:32

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
2
5
7
9
3
6
4
4
3

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
1
1
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
7
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
1
2
2
2
1
1
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
0
-1
-2
-2
-2
-2
-2
-2
-2
-1
-1
-2
-2
-2
-1
1
3
5
6
7

Dew Point (°C)

-10
-10
-9
-9
-7
-7
-7
-7
-6
-5
-5
-5
-5
-4
-4
-4
-4
-5
-5
-6
-7
-7
-7
-7

Relative Humidity (%)

35
35
36
38
44
50
51
56
60
65
67
66
69
71
73
73
74
71
63
50
41
35
32
30

Pressure (mb)

1039
1038
1038
1037
1038
1038
1039
1039
1039
1039
1039
1039
1039
1039
1039
1038
1038
1039
1039
1039
1038
1038
1037
1036

Ozone (du)

374
377
378
381
381
381
378
375
374
373
372
373
370
374
374
375
375
370
369
368
366
362
362
361

Thursday 9

Waning Gibbous 48%

02:48

11:44

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

Sun - Rise: 06:10, Set: 19:19, Transit: 12:45. Moon - Rise: 02:48, Set: 11:44. Civil Dark: 19:48 - 05:41. Nautical Dark: 20:23 - 05:06. Astro Dark: 20:59 - 04:30

Total Clouds (% Sky Obscured)

8
22
39
43
67
67
47
28
8
19
42
60
65
69
72
66
62
48
31
18
0
28
57
90

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
12
23
35
30
36
37
25
23
43
31
15
0
0
0
0

Medium Clouds (% Sky Obscured)

4
7
13
12
20
21
13
6
0
0
0
4
4
4
18
25
39
4
4
0
0
0
0
0

High Clouds (% Sky Obscured)

8
22
34
38
43
48
32
16
0
0
0
0
0
0
0
0
1
1
1
0
0
28
57
90

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)

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

Chance of Frost

Temperature (°C)

11
11
10
10
8
6
5
4
4
3
3
3
3
3
3
3
3
4
5
7
10
12
14
16

Feels Like (°C)

7
7
6
6
4
2
-0
-1
-1
-0
1
-0
-1
-0
-0
-0
0
1
3
5
8
10
12
13

Dew Point (°C)

-7
-7
-8
-7
-6
-4
-2
-2
-1
-1
-0
-0
0
1
1
1
2
2
2
2
2
1
1
1

Relative Humidity (%)

29
27
28
31
37
49
61
67
72
75
77
79
82
85
85
86
88
86
78
66
56
47
41
36

Pressure (mb)

1036
1035
1035
1034
1034
1034
1034
1034
1034
1034
1033
1033
1032
1032
1032
1031
1031
1031
1031
1030
1030
1029
1028
1027

Ozone (du)

359
359
357
358
357
357
353
351
351
353
354
355
354
351
348
349
348
346
348
345
344
344
341
341

Friday 10

Third Quarter 38%

03:21

12:51

14 Bad
15 OK
16 Good
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: 06:08, Set: 19:21, Transit: 12:45. Moon - Rise: 03:21, Set: 12:51. Civil Dark: 19:49 - 05:39. Nautical Dark: 20:24 - 05:04. Astro Dark: 21:00 - 04:28

Total Clouds (% Sky Obscured)

58
32
4
29
52
97
98
60
54
96
36
98
83
74
56
67
80
93
95
97
100
99
96
92

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
9
18
23
12
23
35
51
65
80
82
84
86
74
61
49

Medium Clouds (% Sky Obscured)

0
0
0
20
34
50
50
53
51
57
36
81
60
50
53
60
69
90
90
93
96
89
82
75

High Clouds (% Sky Obscured)

58
32
3
29
52
97
68
33
0
20
31
51
49
61
40
29
18
7
26
46
65
68
72
71

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
25
37
47
24
34
42
48
55
62
54
51
48
31
23
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
17
15
13
11
10
9
9
8
8
8
8
8
8
9
10
10
11
11
12
13
13

Feels Like (°C)

14
15
15
14
12
10
7
6
7
6
5
6
4
4
4
5
4
4
4
7
7
7
7
7

Dew Point (°C)

1
1
1
2
2
4
4
5
4
4
4
4
4
5
5
5
5
6
5
7
8
9
7
5

Relative Humidity (%)

33
32
33
36
42
52
61
68
72
73
74
75
77
78
78
79
78
76
73
76
77
80
68
57

Pressure (mb)

1026
1025
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021
1022
1022
1022

Ozone (du)

339
342
345
347
350
353
351
350
348
347
347
344
341
340
338
337
339
341
342
345
347
350
349
349

Saturday 11

Waning Crescent 28%

03:48

14:00

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

Sun - Rise: 06:06, Set: 19:22, Transit: 12:45. Moon - Rise: 03:48, Set: 14:00. Civil Dark: 19:51 - 05:37. Nautical Dark: 20:25 - 05:02. Astro Dark: 21:02 - 04:26

Total Clouds (% Sky Obscured)

78
68
57
43
33
32
25
22
17
11
6
0
0
0
0
0
0
0
0
1
1
13
24
36

Low Clouds (% Sky Obscured)

45
40
34
37
33
32
25
22
17
11
6
0
0
0
0
0
0
0
0
0
0
1
2
3

Medium Clouds (% Sky Obscured)

47
24
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)

41
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
9
20
24

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 (%)

10
8
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)

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

Chance of Frost

Temperature (°C)

13
12
12
11
11
10
10
9
9
8
8
8
7
7
6
6
6
6
6
7
8
9
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
42
39
35
37
39
43
45
45
48
49
50
52
55
60
64
62
60
59
53
49
45
42
40

Pressure (mb)

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

Ozone (du)

348
354
359
365
367
368
370
369
368
366
365
363
362
362
362
363
365
368
371
365
360
355
352
349

Sunday 12

Waning Crescent 19%

04:12

14:00

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 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:05, Set: 19:23, Transit: 12:44. Moon - Rise: 04:12, Set: 14:00. Civil Dark: 19:52 - 05:36. Nautical Dark: 20:27 - 05:01. Astro Dark: 21:03 - 04:24

Total Clouds (% Sky Obscured)

53
71
88
92
96
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
1
1
1
2
1
1
0
29
55
82
77
72
63
59
55
50

Medium Clouds (% Sky Obscured)

0
0
0
23
46
69
78
88
97
98
98
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

39
28
39
61
80
100
100
100
100
100
100
100
91
90
89
92
87
87

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
1
2
6
15
22
29
42
50
51
50
50
53

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

6
7
8
10
10
11
12
11
11
10
10
11
11
11
11
11
12
12

Chance of Frost

Temperature (°C)

12
12
12
12
10
9
8
8
7
6
6
6
6
6
7
7
7
8

Feels Like (°C)

6
9
9
9
8
9
9
3
3
2
2
2
2
1
2
2
2
1

Dew Point (°C)

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

Relative Humidity (%)

38
39
41
43
47
50
53
56
58
61
63
64
65
70
76
82
82
81

Pressure (mb)

1032
1032
1031
1030
1030
1031
1031
1031
1030
1030
1029
1029
1028
1027
1027
1026
1025
1025

Ozone (du)

346
343
341
339
338
337
336
334
333
332
332
332
332
332
332
331
331
330

Forecast for Brookline, Norfolk, United States of America (42.33,-71.12)

Generated: 06/04/26 14:14:38. Forecast: 06/04/26 to 12/04/26. Timezone: UTC-4.00