Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 9

Waning Gibbous 69%

No Rise

09:36

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

Sun - Rise: 07:04, Set: 18:44, Transit: 12:54. Moon - Rise: No Rise, Set: 09:36. Civil Dark: 19:12 - 06:37. Nautical Dark: 19:45 - 06:04. Astro Dark: 20:17 - 05:31

Total Clouds (% Sky Obscured)

40
32
26
21
0
0
0
0
0
1
1
6
100
55
48
6
19
3
4
2
0
0
0
0

Low 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

Medium 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

High Clouds (% Sky Obscured)

0
0
2
0
0
0
0
0
0
0
0
5
100
32
29
2
9
1
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
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
5
5
6
6
5
5
4
6
9
10
11
11
11
11
11
11
10
10
10
10
9
9

Chance of Frost

Temperature (°C)

8
7
7
6
5
5
4
5
6
9
11
13
14
15
16
15
14
13
11
10
9
9
8
8

Feels Like (°C)

5
6
5
5
4
4
3
3
6
8
10
11
12
11
12
11
11
9
9
8
7
7
6
7

Dew Point (°C)

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

Relative Humidity (%)

87
88
88
88
86
80
77
73
69
66
59
52
49
46
45
46
48
54
60
63
63
62
64
67

Pressure (mb)

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

Ozone (du)

346
340
338
340
340
336
330
325
322
318
314
313
313
317
322
329
339
356
361
353
342
337
331
325

Tuesday 10

Waning Gibbous 59%

01:38

10:13

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

Sun - Rise: 07:03, Set: 18:45, Transit: 12:54. Moon - Rise: 01:38, Set: 10:13. Civil Dark: 19:13 - 06:35. Nautical Dark: 19:46 - 06:02. Astro Dark: 20:19 - 05:29

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
50
48
51
52
49
7
26
30
45

Low 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
36

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
16
17
24

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
50
48
51
52
48
7
0
29
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
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
8
7
7
6
6
6
5
5
6
8
9
10
10
10
9
9
9
9
9
8
8
8
8

Chance of Frost

Temperature (°C)

8
7
7
7
7
6
6
6
8
11
13
15
16
17
17
17
16
15
13
11
10
10
9
8

Feels Like (°C)

6
6
6
6
6
5
5
6
8
11
12
13
14
15
15
15
15
13
11
10
9
8
8
7

Dew Point (°C)

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

Relative Humidity (%)

70
74
79
84
87
90
90
85
77
67
59
54
48
46
44
47
51
57
65
73
76
77
80
79

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017

Ozone (du)

321
319
321
321
320
323
326
336
328
319
315
315
318
318
320
324
323
323
325
323
321
321
317
316

Wednesday 11

Third Quarter 50%

02:37

10:59

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:01, Set: 18:46, Transit: 12:54. Moon - Rise: 02:37, Set: 10:59. Civil Dark: 19:14 - 06:33. Nautical Dark: 19:47 - 06:01. Astro Dark: 20:20 - 05:28

Total Clouds (% Sky Obscured)

37
36
45
43
42
90
96
97
98
98
94
87
100
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

37
36
45
37
42
57
82
90
94
91
84
70
81
77
63
85
99
100
100
100
100
100
99
98

Medium Clouds (% Sky Obscured)

21
26
43
40
33
29
12
6
6
4
3
3
5
4
97
98
87
84
91
20
14
70
21
15

High Clouds (% Sky Obscured)

0
0
3
0
1
5
1
0
0
8
1
87
96
87
92
100
96
95
59
36
33
20
31
72

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
8
8
0
0
0
0
0
0
0
0
0
0

Fog (%)

0
1
2
3
0
0
8
16
0
2
2
0
3
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
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 (%)

2
6
34
49
13
3
3
3
2
0
0
0
9
2
15
11
24
27
8
0
1
0
17
25

Precipitation Amount (mm)

0
0
0
0.2
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
6
6
5
5
4
3
3
3
4
3
5
6
5
5
6
9
10
12
13
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
85
87
87
88
90
86
88
87
82
85
77
84
87
86
92
95
96
98
98
98
96
98

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1018
1018
1017
1017
1016
1015
1013
1012
1011
1009
1008
1007
1006
1005
1004
1003
1002

Ozone (du)

317
319
321
322
325
331
332
331
328
330
331
328
328
329
328
324
320
317
317
318
315
311
308
306

Thursday 12

Waning Crescent 40%

03:30

11:53

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 OK
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good

Sun - Rise: 06:59, Set: 18:48, Transit: 12:53. Moon - Rise: 03:30, Set: 11:53. Civil Dark: 19:16 - 06:31. Nautical Dark: 19:48 - 05:59. Astro Dark: 20:21 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
100
99
97
95
93
92
91
75
64
50
58
62
26
20
13
3
3
9
12
13
0

Low Clouds (% Sky Obscured)

98
92
85
80
60
34
25
27
28
25
38
49
50
58
44
26
16
9
2
1
0
1
0
0

Medium Clouds (% Sky Obscured)

14
96
85
69
99
71
50
57
71
91
75
64
50
58
62
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
64
33
0
0
0
0
10
20
30
20
10
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
2
3
1
1
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

31
64
77
90
81
69
52
29
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
13
13
14
16
17
13
15
16
14
15
16
16
18
17
18
18
16
16
15
14
14
13
12

Chance of Frost

Temperature (°C)

12
12
11
11
10
10
8
6
5
5
5
5
6
5
5
5
5
4
3
1
1
0
-1
-1

Feels Like (°C)

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

Dew Point (°C)

11
11
11
10
10
8
7
1
-2
-4
-4
-5
-5
-7
-7
-8
-8
-8
-9
-11
-11
-11
-12
-11

Relative Humidity (%)

96
95
96
96
96
90
90
74
60
54
53
51
46
42
40
37
39
41
42
41
42
42
43
44

Pressure (mb)

1001
1000
1000
1000
1000
1000
1001
1004
1005
1006
1007
1008
1009
1009
1010
1011
1013
1014
1016
1018
1019
1021
1022
1023

Ozone (du)

305
306
302
301
301
304
306
307
308
311
312
314
317
318
324
324
325
328
328
330
335
338
339
351

Friday 13

Waning Crescent 30%

04:15

12:54

01 Good
02 Good
03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 OK
10 Bad
11 OK
12 OK
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: 06:58, Set: 18:49, Transit: 12:53. Moon - Rise: 04:15, Set: 12:54. Civil Dark: 19:17 - 06:30. Nautical Dark: 19:49 - 05:57. Astro Dark: 20:22 - 05:24

Total Clouds (% Sky Obscured)

0
11
24
32
32
31
59
73
44
54
35
33
100
97
93
88
91
96
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
20
40
59
52
45
37
42
47

Medium Clouds (% Sky Obscured)

0
8
19
28
22
20
23
31
40
49
35
33
81
70
63
69
75
83
100
100
100
100
88
76

High Clouds (% Sky Obscured)

0
3
6
10
6
3
5
12
14
21
27
33
46
97
91
81
87
94
100
88
76
63
76
88

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
4
6
9
12
15
18
19
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)

11
10
9
7
6
5
4
5
6
7
7
8
10
13
11
12
13
12
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-12
-13
-13
-13
-13
-13
-12
-13
-13
-13
-13
-12
-11
-9
-8
-7
-5
-4
-3
-1
-0
1

Relative Humidity (%)

44
44
43
42
41
40
41
40
40
35
32
29
27
27
32
38
44
50
59
68
70
74
77
80

Pressure (mb)

1023
1024
1024
1024
1025
1025
1026
1026
1026
1026
1025
1024
1023
1022
1021
1020
1020
1019
1019
1019
1018
1017
1017
1015

Ozone (du)

352
365
367
374
373
372
371
372
377
385
383
380
380
380
381
381
381
381
382
382
380
378
376
378

Saturday 14

Waning Crescent 21%

04:52

14:01

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

Sun - Rise: 06:56, Set: 18:50, Transit: 12:53. Moon - Rise: 04:52, Set: 14:01. Civil Dark: 19:18 - 06:28. Nautical Dark: 19:50 - 05:55. Astro Dark: 20:24 - 05:22

Total Clouds (% Sky Obscured)

100
92
84
74
62
48
19
29
29
39
40
40
45
59
63
56
52
45
34
25
24
27
51
75

Low Clouds (% Sky Obscured)

53
52
51
48
33
17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

Medium Clouds (% Sky Obscured)

64
45
23
3
4
5
0
0
0
1
2
2
0
5
3
5
0
0
0
1
2
3
22
40

High Clouds (% Sky Obscured)

95
52
0
0
0
0
0
0
0
0
0
0
0
3
6
10
24
34
34
25
21
15
38
58

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 (%)

16
23
24
22
20
16
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
2
2
2
2
1
0
-1
-3
-6
-8
-9
-9
-10
-10
-9
-9
-9
-8
-7
-7
-7
-8
-7

Relative Humidity (%)

82
85
83
82
80
79
79
76
59
44
32
29
26
24
25
26
27
30
34
38
40
41
42
44

Pressure (mb)

1014
1013
1012
1012
1012
1012
1013
1014
1014
1014
1015
1015
1015
1016
1016
1017
1018
1019
1020
1021
1022
1022
1023
1024

Ozone (du)

379
381
381
381
382
384
386
388
388
387
387
386
384
383
382
381
381
380
380
379
378
378
377
379

Sunday 15

Waning Crescent 14%

05:23

15:10

Sun - Rise: 06:54, Set: 18:51, Transit: 12:53. Moon - Rise: 05:23, Set: 15:10. Civil Dark: 19:19 - 06:26. Nautical Dark: 19:52 - 05:54. Astro Dark: 20:25 - 05:20

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 09/03/26 01:38:24. Forecast: 09/03/26 to 15/03/26. Timezone: UTC-4.00